Math help

This page lists questions and answers that were posted by visitors named Math help.

Questions

The following questions were asked by visitors named Math help.

Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: a.In what interval you would expect the middle 95% of the IQ scores to be found. b.What percent of people would have an IQ score above...

Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: In what interval you would expect the middle 95% of the IQ scores to be found.

Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: What percent of people would have an IQ score above 116.

Some IQ scores are standardized with a mean of 100 and a standard deviation of 16. Using the 68-95-99.7 Rule, Determine: 1. What percent of people would have an IQ score of no more than 68. (2).What percent of people would have an IQ score of 100 or above...

1)a bag contains five red marbles and seven blue marbles. you pull one marble out of the bag and replace it before putting out a second marble. what kind of event is this? independent, dependent, or both? 2) A bag contains 5 marbles. Without looking, you...

Simple probability You have 20 crayons to choose from : 5 are blue, 3 are green, 8 are red and 4 are orange. If you randomly choose one crayon, what is the probability you will get armed crayon? P(red)= I put 8 to 20= I put 80% but my friend said 40% who'...

1) X/4+10=14 A)96 B)46 C)16 D)-16 2) 2(2-2x)=-3x A)-4 B)4 C)6 D)0 3) 3.75x+3.7=1.7+1.75x A)10 B)-1 C)1 D).1 Answers : B C C ???

5 kids (A, B, C, D and E) are playing games in the playground. In each round, they follow the rules below to pass on the toy on their hands to the next kid: A→C, B→E, C→A, D→B, E→D. Initially, A and B are holding the car toy each while C, D and E holding...

What is the angle between the hour hand and minute hand of a clock at 2:37 p.m?

On a clock face, a line is drawn between 9 and 3 and another between 12 and 8. What is the acute angle between these lines? A.45 B.60 C.50 D.30 E.22.5

A 4x4 grid with 5 blocks shaded in, I need to write a percent and a ratio for it. A. 1/5, 25% B. 5/16, 31.2% C. 1/4 , 20% D. 1/4, 25% C? Im not really sure on this one, I just need some help.

Which statement best explains if the graph correctly represents the proportional relationship y = −2x? A coordinate plane is shown. Points are graphed at 2 comma 4 and negative 1 comma 2. The points are joined by a line. No, the points shown would not be...

A research based on 150 students relating to their favorite fruit revealed the following: 90 students preferred Apples; 75 preferred Bananas; and 55 preferred Strawberries; 30 of them preferred Bananas and Strawberries; 15 preferred Apples and Strawberrie...

the following points are plotted on a coordinate plane (-1.2), (-1.7) and (4.2) if the points are connected by a straight line with shape will they form? A: an acute triangle B: a right triangle C: an obtuse triangle D:a quadrilateral

Dana is going to draw marbles out of the bag. In the bag, there are 10 marbles. There are 4 black marbles, 5 white marbles, and 1 red marble. Dana choooses two marbles. After choosing the first one she put it back in the bag before choosing the second mar...

7 Georgia is given the equation 4(k - 5) + 3k = 1 , and asked to solve for k. Which of the following is the first step Georgia should perform to solve the equation? А B D Subtract 3k from both sides . Multiply 4 to k, and multiply 4 to -5. Add -4 to both...

Answers

The following answers were posted by visitors named Math help.

You don't know anything?

Can u at least tell me if I was right about numbers 1&2?

Number 4 would be 50%

A red crayon sorry bout that

Are you sure I just need help on the percent

So it's C for number 1? @steve

Thank you, now could you please explain the other two I'm just not getting it right

Great explanation thank you

What is the right answer. How about A.