How to Calculate the Probability in a Random Sample the Mean Time Is - Search Videos

SOLVED: 1. The time (in minutes) spent on e-mail per session is normally distributed with a mean of 4.5 minutes. Let P be the probability that the sample mean in a random sample of 25 sessions is between 4 minutes and 5 minutes. Let Q be the probability that the sample mean in a random sample of 64 sessions is between 4 minutes and 5 minutes. Then, A. P = Q B. P Q 2. The gasoline consumption of an engine has a normal distribution with a mean of 5 gallons. In four independent tests,

SOLVED: 1. The time (in minutes) spent on e-mail per session is nor…

Answered: In a random sample of 21 people, the mean commute time to work was 30.1 minutes and the standard deviation was 7.1 minutes. Assume the population is normally… | bartleby

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