Mathematics, 07.07.2019 05:10 audreymarie2940
Samples of size n = 20 are randomly selected from 4 different bins of dvds ranging in price from $4.99 to $9.99. you return each dvd before randomly drawing another and calculate the variance of each sample. what is the distribution of the sample variance?
a. normal distribution skewed to the right
b. normal distribution
c. not a normal distribution
d. normal distribution skewed to the left
Answers: 3
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What is the length of the unknown leg in the right triangle ?
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Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?
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Mathematics, 21.06.2019 21:30
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Mathematics, 22.06.2019 03:20
Solve this system of equations: y=x2-3x + 12 y=-2x+14 4. substitute the values of x, -1 and 2, into either origina equation to solve for the values of y. what are the solutions of the system of equations?
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Samples of size n = 20 are randomly selected from 4 different bins of dvds ranging in price from $4....
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