The average time to run the 5K fun run is 25 minutes and the standard deviation is 2.3 minutes. 18 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 a? - N

Calculus For The Life Sciences
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ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter13: Probability And Calculus
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The average time to run the 5K fun run is 25 minutes and the standard deviation is 2.3 minutes. 18 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 - NO
b. What is the distribution of I? - N
c. What is the distribution of Σz? Σz-N
Transcribed Image Text:The average time to run the 5K fun run is 25 minutes and the standard deviation is 2.3 minutes. 18 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 - NO b. What is the distribution of I? - N c. What is the distribution of Σz? Σz-N
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