Question: Question 6 0/1 pt The average time to run the 5K fun run is 24 minutes and the standard deviation is 2.3 minutes. 11 runners

 Question 6 0/1 pt The average time to run the 5K

Question 6 0/1 pt The average time to run the 5K fun run is 24 minutes and the standard deviation is 2.3 minutes. 11 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 a? ~ ~ N( C. What is the distribution of a? Ex - Nd d. If one randomly selected runner is timed, find the probability that this runner's time will be between 23.5597 and 24. 1597 minutes. e. For the 11 runners, find the probability that their average time is between 23.5597 and 24.1597 minutes. f. Find the probability that the randomly selected 11 person team will have a total time less than 266.2. g. For part e) and f), is the assumption of normal necessary? No Yes h. The top 20% of all 11 person team relay races will compete in the championship round. These are the 20% lowest times. What is the longest total time that a relay team can have and still make it to the championship round? minutes

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!