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What is Var(T)?
1. 0 answers
2. 4,761 views
Let A and B be independent random variables with means 1, and variances 1 and 2, respectively.Let X=A−B and Y=A+B. Find the
1. 3 answers
2. 2,847 views
Choose the correct solution and graph for the inequality.x-3≤-12 A. x≤-15 B. x≤-4 C. x≤15 D. x≤-9 Sorry, it wouldn't
1. 1 answer
2. 1,421 views
Suppose that X, Y, and Z are independent, with E[X]=E[Y]=E[Z]=2, and E[X2]=E[Y2]=E[Z2]=5.Find cov(XY,XZ).
1. 0 answers
2. 550 views
If a coin is flipped and it lands on Heads, y, will the value of the random variable Z be greater than or equal to 0?
1. 0 answers
2. 1,821 views
Suppose that X, Y, and Z are independent, with E[X]=E[Y]=E[Z]=2, and E[X^2]=E[Y^2]=E[Z^2]=5.Find cov(XY,XZ).
1. 0 answers
2. 746 views
The random variable X has a PDF of the formfX(x)=ce−4x2−24x+30, where c is a normalizing constant. Then
1. 1 answer
2. 1,927 views
Find the MAP estimator of Θ based on X if Θ∼N(1,1) and W∼N(0,1), and evaluate the corresponding estimate if X=2.
1. 3 answers
2. 1,496 views
A computer password is required to be 5 characters long. How many passwords are possible if the password requires 2 letter(s)
1. 1 answer
2. 3,089 views
James walk 2km away from home in 10 minutes. He then turns around and walk back home along the same path, also in 10 minutes.
1. 1 answer
2. 851 views
(cos^2+6cos x + 9) / (cos x + 3)
1. 2 answers
2. 302 views
Making a single pointed dart
1. 1 answer
2. 370 views
Consider the function f(x)=x^4+2sqrt x. Let F(x) be the anti-derivative of f(x) with F(1)=-9.Then F(x)= ?
1. 3 answers
2. 420 views
Find the function f(x) described by the given initial value problem.f′(x)=6x,f(1)=0 6^x dx = 1/ln(6) * 6^x + C
1. 3 answers
2. 3,413 views
Two small metallic spheres, each with a mass ofm = 3.00 g, are suspended from a common point by two strings of negligible mass
1. 1 answer
2. 605 views
Given the arrangement of charged particles in the figure below, find the net electrostatic force on the q1 = 5.15-µC charged
1. 0 answers
2. 644 views
A sphere has a net charge of 8.03 nC, and a negatively charged rod has a charge of −6.05 nC.The sphere and the rod undergo a
1. 0 answers
2. 759 views
Consider an electron, of charge magnitude e = 1.602 ✕ 10−19 C and mass me = 9.11 ✕ 10−31 kg, moving in an electric field
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2. 1,046 views
An electron is projected into a uniform electric field E = (1000 N/C)i with an initial velocity (2.00* 10^6m/s)i in the
1. 2 answers
2. 2,316 views
Three identical point charges, each of mass m =0 .1kg, hang from three strings. If the lengths of the left and right strings are
1. 2 answers
2. 538 views
Three charges lie along the x-axis. The positive charge, q1 = 15 µC, is at x= 2.0 m, and The positive charge, q2 = 6.0 μC, is
1. 1 answer
2. 3,481 views
A car dealer will sell you a $5445 car for $1058 down payment and payments of $132.24 per month for 48 months. What is the
1. 1 answer
2. 504 views
A car dealer will sell you a $5445 car for $1058 down payment and payments of $132.24 per month for 48 months. What is the
1. 1 answer
2. 388 views
Your mom is trying to save room on her hard drive and wants to uninstall some of her applications. She asks you how to do this.
1. 2 answers
2. 1,279 views
A circuit consisting of three resistance 12ohm, 18ohm and 36ohm respectively joined in parallel, and connected in series with
1. 4 answers
2. 4,234 views
A borrower received a 30-year ARM mortgage loan for $200,000. Rate caps are 3/2/6 (initialadjustment cap/periodic interest rate
1. 0 answers
2. 1,586 views
A membership at Gisele’s Gym costs $145 to join and $3 for each visit.A membership at Freddie’s Fitness costs $75 to join
1. 1 answer
2. 1,603 views
1/2÷5/8
1. 7 answers
2. 849 views
Clara earns an hourly rate of $20 per hour and 5% commission. Rose earns an hourly rate of$16 per hour and 10% commission. They
1. 1 answer
2. 814 views
A triangle with sides that measures 2 1/2 ft., 20 in., and 1/2 yd. Answer in inches.
1. 2 answers
2. 461 views
A rectangular solid 9 in.x 3 ft. x 8 ft. Answer in cubic feet.
1. 7 answers
2. 411 views
How would I set this up to work?When a number is divided by 5 and the quotient is increased by 8, the result is 16. Find the
1. 2 answers
2. 553 views
1)What do we mean by opponent processing? (2 marks) How are white and yellow produced by the opponent process? (3 marks)2)Descri
1. 1 answer
2. 632 views
What are the organs that fat bodies are adjacent to in the frog? It is a six letter word.
1. 4 answers
2. 416 views
What are the organs that fat bodies are adjacent to in the frog? It is a six letter word.
1. 0 answers
2. 404 views
A frog’s intestine absorbs toxins, such as venom in insects, along with nutrient s.The liver then filters these toxins out.
1. 1 answer
2. 627 views
How do the secretions from the liver and pancreas interact with each other in the smallintestine?
1. 1 answer
2. 424 views
When you feel your pulse, what type of blood vessel are you feeling? What characteristicsallow you to feel this?
1. 1 answer
2. 446 views
A pears rolls across a table with a speed of 0,5 m/s and falls off the edge, if it lands 3m from the edge of the table from what
1. 1 answer
2. 1,478 views
In order for me to change this decimal to a complex Fraction, and simplify did I di it correctly?.12 1/2 = 0.06
1. 3 answers
2. 466 views
Each number cube has 6 faces numbered 1-6. John tossed 2 number cubes several times andadded the numbers each time. Sum of the
1. 1 answer
2. 2,582 views
Fifty undergraduates participated in the selection procedures. Their average age was 21 with a standard deviation of 1.20. There
1. 1 answer
2. 473 views
Which of the following are possible statistically significant findings from a 2 X 2 factorial design?a. two main effects but no
1. 0 answers
2. 524 views
You're studying the effect of stereotype threat on test performance. You randomly assign your participants to either a control
1. 0 answers
2. 620 views
Spaceman Spiff orbits planet X with his spaceship. To remain in orbit at 410km from the planet's center, he should maintain a
1. 1 answer
2. 1,759 views
A 15 kg block is on a ramp which is inclined at 20 degrees above the horizontal. It's connected by a string to a 19kg mass which
1. 2 answers
2. 8,829 views
In To Kill A Mockingbird by Harper Lee, name three characters who have sacrificed themselves for the sake of others.(I've
1. 6 answers
2. 597 views
For my nhd project my topic is The Pearl Harbor Bombing how does this apply to Conflict and Compromise?P.S. I cannot use
1. 3 answers
2. 706 views
A bike wheel has a radius of 40 inches. If Mary rides the bike 1 mile (63,360mi.), approximately how many times has the wheel
1. 1 answer
2. 527 views
A bike wheel has a radius of 40 inches. If Mary rides the bike 1 mile (63,360mi.), approximately how many times has the wheel
1. 2 answers
2. 521 views
When a group of 50 consecutive multiples of 7 is added the answer is 12 075.i) What is the smallest of these numbers? ii) What
1. 1 answer
2. 522 views
Estimate 420,983 + 39,932
1. 1 answer
2. 670 views
__________________ appear to match in one set of lighting conditions, but not in another.Dyes Pigments Metameric colors
1. 1 answer
2. 1,035 views
Which statement is true when considering color in a fiber?the color is measured using an FTIR the color depends upon the
1. 1 answer
2. 1,070 views
Why is the cross section of a fiber important?it is a distinctive trait of only natural fibers It is a distinctive trait of only
1. 1 answer
2. 1,484 views
Select sequence that corresponds to the following: CTCGATTAAGG CTCGG AATTCC GAGCT GAGGAG
1. 1 answer
2. 1,769 views
Which of the following is true about RFLP? (multiple answer)the repeat strands are very short it analyzes only mitochondrial DNA
1. 1 answer
2. 1,336 views
Select the correct order of the GC componentsColumn, Recorder, Carrier Gas, Flow Controller, Detector Recorder, Carrier Gas,
1. 1 answer
2. 1,004 views
What is the difference between adsorption and partition chromatography?A. absorption is faster? B. partitioning is faster C.
1. 0 answers
2. 474 views
What type of substance is the mobile phase in gas chromatography?a polar liquid a nonpolar liquid a mixture of two liquids to
1. 2 answers
2. 645 views
Quantization isInteraction of electromagnetic radiation and matter at discrete energy levels The ion separator in a mass
1. 1 answer
2. 780 views
The_____________spectrum is so complex it is considered to be unique:Visible Ultraviolet Infrared Microwave Fluorescence
1. 1 answer
2. 1,518 views
"In fluorescence microscopy, the wavelength of the emitted light is __________that of the exciting radiation."Longer than
1. 1 answer
2. 1,754 views
The objective lens of a compound microscope has a numerical aperture of 0.4. The maximum useful magnification of the microscope
1. 0 answers
2. 931 views
Select the proper order of examination"Fingerprints, trace evidence, DNA" "Disease diagnosis, DNA, fingerprints" "Ink analysis,
1. 1 answer
2. 1,323 views
Identification is the examination of chemical and physical properties of an object and using the results to categorize the
1. 2 answers
2. 1,632 views
What is a trier of facts?Only a trial by a jury the party or parties determining guilt or innocence only a trial by a US
1. 1 answer
2. 659 views
Sterilization refers to the:a. complete destruction or removal of all forms of life. b. elimination of pathogens only. c.
1. 1 answer
2. 599 views
Which of the following applies to the adenovirusesa. cause high fever, sore throat, and severe cough. b. The viruses are
1. 1 answer
2. 505 views
If you flip three fair coins, what is the probability that you'll get a head on the first flip, a tail on the second flip, and
1. 1 answer
2. 1,880 views
which of the following is a possible statistically significant outcome from a 2x2 factorial design. A. The other three choices
1. 1 answer
2. 1,303 views
which of the following is a possible statistically significant outcome from a 2x2 factorial design. A. The other three choices
1. 0 answers
2. 862 views
The admissions counselors at rainy University believe that the freshman class they have just recruited is the brightest yet. If
1. 1 answer
2. 622 views
split level for 200,000 put down 30% assuming rate of 11 1/2% on 30-year mortgage, determine monthly payment.
1. 1 answer
2. 383 views
the trip from town A to town B was travel at 5 km/h, and the trip back at 4 km/h. What was the average speed?
1. 1 answer
2. 384 views
write triangular formulas to find numbers between 10 and 30
1. 1 answer
2. 398 views
A play has two roles for men and four roles for women if five men and 12 women tryout for these parts,in how many different ways
1. 4 answers
2. 3,452 views
I'm having trouble with this questionAt the movies, it costs $5.00 to rent each movie. If you do not return the rentals on time,
1. 1 answer
2. 929 views
Reserving this property requires a $500 security deposit , which will be refunded unless there is damage to the property or
1. 1 answer
2. 704 views
Reserving this property requires a $500 security deposit , which will be refunded unless there is damage to the property or
1. 3 answers
2. 1,912 views
A classmate who missed last week’s first lab on microscopy observes a lab partner in this week’s lab using oil immersion
1. 0 answers
2. 652 views
A local newspaper once contained an article about “the famous bacterial genus ecoli.” How many errors can you find in this
1. 1 answer
2. 504 views
What specific aspects of the Stanford Prison Experiment made it ethically unacceptable. please help
1. 1 answer
2. 585 views
Every state has an official animal, flower, and/or tree, but one state has an official bacterial species named in its honor:
1. 2 answers
2. 1,245 views
For events A and B it is known that p(A)=p(B) , p(A{intersection} B)=0.1 and p(A{union}B)=0.7 find p(A')?
1. 0 answers
2. 492 views
A person borrows two equal sums of money at the time at 5% and 3.75% simple interest respectively & finds that if he repays the
1. 2 answers
2. 2,237 views
How many three digit number can be made with three 4's , four 2's and two 3's?
1. 1 answer
2. 356 views
Mark, Carrie, Max, and Jane are doing a probability experiment in math class. They flip a coin 200 times and record their
1. 3 answers
2. 769 views
Hello,I was wondering what would happen if u add KOH(potassium hydroxide) solution instead of KOH solid to HCL (hydrochloric
1. 1 answer
2. 531 views
Josh sold his bike for 10% less than he paid for it. IF he sold the bike for 585 how much did he pay for it?
1. 6 answers
2. 1,489 views
Why do you think the imposed pro-democratic movement in Iraq was so unsuccessful, whereas thegrassroots pro-democratic movement
1. 1 answer
2. 442 views
Simplify the following expression Z-2z+4z+6
1. 2 answers
2. 404 views
I need a good topic for hackers like anonymous any ideas
1. 2 answers
2. 386 views
If your norm is one that people outside a particular group would be unfamiliar with, you may have to go into some detail so that
1. 3 answers
2. 552 views
How many pieces of 4Inches of ribbon can get from a roll of 25 feet ribbon?
1. 3 answers
2. 734 views
To solve by elimination4x-6y=10,x+y=0
1. 1 answer
2. 468 views
To solve by the elimination method.5x+7y=40,x=y+3
1. 1 answer
2. 527 views
In the jazz band at Wyatt's school, there are 15 trumpets and 9 trombones. Find the ratio of trombones to trumpets?
1. 4 answers
2. 1,824 views
What is the final volume of 35.0 L of carbon dioxide gas at 28.9°C if the gas is heated to 96.3°C? Assume the pressure and the
1. 1 answer
2. 506 views
Benjamin had to make payments of $1,500.00 and $2,600.00 in 12 months and 14 months, respectively, to a raw material supplier.
1. 0 answers
2. 524 views

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