1.) The population mean and standard deviation is 70 and 5.6 respectively. If we were to choose 10 samples from the population, what is the probability that its mean is between 65 and 75?
1.) The population mean and standard deviation is 70 and 5.6 respectively. If we were to choose 10 samples from the population, what is the probability that its mean is between 65 and 75?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:IV.EVALUATION:
Activity: Solve the following problems.
1.) The population mean and standard deviation is 70 and 5.6 respectively. If we were
to choose 10 samples from the population, what is the probability that its mean is
between 65 and 75?
2.) The average words per minute a person can type is 40 words per minute with
standard deviation of 3.5 words. If you choose 20 samples, what is the probability that
the average words they can type is more than 39?
1.) The average total points per game in a basketball is 208.6 with standard deviation of
32.6. If we choose 82 games from these games what is the probability that the average
total points is greater than 200?
2.) Teenagers spent most of their time on social media. They spent an average of 6.2
hours per day on social media with standard deviation of 1.3 hours. If we choose 20
teenagers, what is the probability that the average time they spent on social media is
less than 6 hours?
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