Question
The amount of time to complete a physical activity in a PE class is normally distributed...
The amount of time to complete a physical activity in a PE
class is normally distributed with a mean of 39.4 seconds and a
standard deviation of 5.2 seconds. Round answers to 4 decimal
places.
a) What is the probability that a randomly chosen student
completes the activity in less than 35.3 seconds?
b) What is the probability that a randomly chosen student
completes the activity in more than 46.1 seconds?
c) What proportion of students take between 35.6 and 42.9
seconds to complete the activity?
d) 80% of all students finish the activity in less than
seconds.
Homework Answers
Answer #1
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