Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

The average time to run the 5K fun run is 22 minutes and the standard deviation is 2.3 minutes. 44 runners are randomly selected

image text in transcribed

The average time to run the 5K fun run is 22 minutes and the standard deviation is 2.3 minutes. 44 runners are randomly selected to run the 5K fun run. Round all answers to 4 decimal places where possible and assume a normal distribution. a. What is the distribution of X? X - N( b. What is the distribution of ? N c. What is the distribution of x? x - N( d. If one randomly selected runner is timed, find the probability that this runner's time will be between 21.7799 and 22.0799 minutes. e. For the 44 runners, find the probability that their average time is between 21.7799 and 22.0799 minutes. f. Find the probability that the randomly selected 44 person team will have a total time more than 946. g. For part e) and f), is the assumption of normal necessary? Yes No h. The top 10% of all 44 person team relay races will compete in the championship round. These are the 10% lowest times. What is the longest total time that a relay team can have and still make it to the championship round? minutes Hint

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image_2

Step: 3

blur-text-image_3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

A First Course in General Relativity

Authors: Bernard Schutz

2nd edition

521887054, 978-0521887052

More Books

Students also viewed these Mathematics questions

Question

Sketch and label the hierarchy of needs.

Answered: 1 week ago

Question

Draw a schematic diagram of I.C. engines and name the parts.

Answered: 1 week ago

Question

=+How are visual and speech patterns recognized?

Answered: 1 week ago

Question

=+How is visual information organized into objects?

Answered: 1 week ago