Zane J.

asked • 11/25/20

The amount of time to complete a physical activity in a PE class is approximately normally normally distributed with a mean of 37.3 seconds and a standard deviation of 5.6 seconds.

The amount of time to complete a physical activity in a PE class is approximately normally normally distributed with a mean of 37.3 seconds and a standard deviation of 5.6 seconds.

 

 What is the probability that a randomly chosen student completes the activity in less than 33.5 seconds? 

What is the probability that a randomly chosen student completes the activity in more than 43.8 seconds?

 What proportion of students take between 34.7 and 39.6 seconds to complete the activity?

85% of all students finish the activity in less than------- sec?

2 Answers By Expert Tutors

By:

L. Michael V. answered • 11/25/20

Tutor
New to Wyzant

Former Actuarial Analyst

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