Gee

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

Questions

The following questions were asked by visitors named Gee.

Why does the US need a single banking system to help organize its financial structure?
16 years ago
a car is moving at 40km per hour what is the velocity in meters per second?
15 years ago
A large wooden wheel of radius R and the moment of inertia I is mounted on an axle so as to rotate freely. A bullet of mass m and speed v is shot tangential to the wheel and strike its edge, lodging in the wheel’s rim. If the wheel was originally at rest,...
14 years ago
I have been trying to figure this out for hours and I still cant figure it out! Please help me.. The question says to find the value of theta when sin(theta)=0 the answers include equations like pi/2 +2piK 0=2piK pi/2+pik pik
14 years ago
The lifetime of a 2 volt non-rechargeable battery has a normal distribution with a mean of 516 hours and a standard deviation of 20 hours. What is the z- score for batteries with lifetimes of 520 hours
13 years ago
The most common intelligence quotient (IQ) scale is normally distributed with mean 100 and standard deviation 15. What score would put a child 3 standard deviations above the mean
13 years ago
The cholestetol levels of young women aged 20 to 34 vary with a mean of 185 milligrams per decliter and standard deviation 39 mg/dl. What cholesterol level would be a young woman have in this age group if they were 2 standard deviations below the mean?
13 years ago
The cholesterol levels of young women aged 20 to 34 vary approximately normal with mean 185 milligrams per deciliter and standard deviation 39 mg/dl. Cholesterol levels for men vary with mean 222mg/dl and standard deviation 37 mg/dl Sandy's cholesterol le...
13 years ago
If a certain species of female lizard mate males that are .75 years younger what would the correlation between the ages of the males and female lizard be?
13 years ago
A student computes the correlation between two variables in a spreedsheet and finds r= 0.06.Is there a relationship between the variables?
13 years ago
Research reports a correlation of +0.8 between math achievement and math aptitude it also reports a correlation of -0.8 between math achievement and a math anxiety. Which interpretations is most c?orrect
13 years ago
The lifetime of a 2- volt non-rechargeable battery in constant use has a normal distribution of 516 hours and a standard deviation of 20 hours. What is the z- score for batteries with lifetimes of 520 hours?
13 years ago
I wish to determine the correlation between the height ( in inches) and weight ( in pounds) of 21 year old males. To do this , i measure the height and weight of two 21 year old men. The measured values are?
13 years ago
The data in the scatterplot below are an individual' s weight and time it takes ( in seconds) on a tredmill to raise their pulse rate to 140 per minute. The o' s correspond to females and the +'s to males.
13 years ago
The ABC Company has been evaluating the performance of two advertising agencies it deals with. They produce the following scatterplot of sales against advertising expenditures.
13 years ago
I want to examine the relationship between gas mileage of cars and the engine size ( displacement in cubic inches). The explanatory variable is?
13 years ago
A teacher was interested in how many text messages teenagers got per day. He randomly selected 70 students and asked them how many text messages they reveived the previous day.?
13 years ago
The box plot below summarize the distributions of SAT verbal and math scores among students at an upstate New York high school. 300 400 500 600 700 800 data Whic of the following statements is false? 1. The range of the math scores equals the range of the...
13 years ago
Is weight an example of a discrete variable?
13 years ago
standard deviation is not resistant to outliers true or false?
13 years ago
Is another name for an explanatory variable an independent variable?
13 years ago
A correlation of 0 always means there is no relationship between x and y true or false?
13 years ago
If a distribution is skewed, should the mean must be smaller than the median?
13 years ago
Use the following information to calculate the lower and upper fence: A teacher was interested in how many text messages teenagers got per day. He randomly selected 70 students and asked them how many text messages they received the previous day. The mean...
13 years ago
Healthy breakfast contains the rating of 77 cereals and the number of grams of sugar contained in each serving. A simple linear regression model considering "sugar" as the explanatory variable and "rating" as the response variable produced the following r...
13 years ago
A lamp has a mass of 10kg and is supported by two wires that make an angle of 35 degrees between them. Find the tension in each wire?
12 years ago
A rocket booster fires in space with a force of 500N and moves the 10kg satellite from rest to motion in 2.1 seconds. Find the acceleration? What is the final speed of the satellite?
12 years ago
A ball is thrown from a 20.0m high building and hits the ground 6.0m from the building. With what horizontal velocity was it thrown?
12 years ago
A 3rd baseman is throwing a ball to 1st base which is 39.0m away. It leaves his hand at 38.0m/s at a height of 1.50m from the ground and makes an angle of 20 Degrees. How high will it be when it gets to 1st base.
12 years ago
A cannonball shot at an angle of 60 Degrees had a range of 196m. What was its initial speed?
12 years ago
A 100kg rock lies at the bottom of a lake. It's volume is 6.0*10^2. How much force is needed to lift it?
5 years ago

Answers

The following answers were posted by visitors named Gee.