The times that NSU students spend studying per week have a distribution that is skewed to the right with a mean of 6.8 hours and a standard deviation of 1.9 hours. a) Calculate the mean and standard deviation of y when the sample size is i. 25 ii. 45 b) Find the probability that the mean time spent studying per week for a random sample of 45 students would be between 5 .5 and 10.5 hours indicating the scaling and label of both axes.
The times that NSU students spend studying per week have a distribution that is skewed to the right with a mean of 6.8 hours and a standard deviation of 1.9 hours. a) Calculate the mean and standard deviation of y when the sample size is i. 25 ii. 45 b) Find the probability that the mean time spent studying per week for a random sample of 45 students would be between 5 .5 and 10.5 hours indicating the scaling and label of both axes.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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