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Textbook Expert
Textbook ExpertVerified Tutor
17 Nov 2021

Given information

Sample size = 75

Sample mean = 17.4 years

Sample standard deviation = 6.3 years

Population mean = 15 years

 

Step-by-step explanation

Step 1.

represents the sample mean i.e. the mean length of time on death row of 75 death row inmates.

s represents the sample standard deviation i.e. the standard deviation of time on death row of 75 death row inmates.

n represents the sample size i.e. the number of death row inmates surveyed.

 

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