SOLUTION: What is the probability that a sample mean calculated from a sample of 100 individuals from the Florida subdivision will have an average age between 64 and 66 years of age. As in
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Question 1182051: What is the probability that a sample mean calculated from a sample of 100 individuals from the Florida subdivision will have an average age between 64 and 66 years of age. As in question #2, the mean age of the population is 65 years of age, and the standard deviation is 2 years. For this problem, be sure to use the z-calculation that is for sample means, and includes the sample size:
z=( - ))/((/ ))
You can put this solution on YOUR website! this will be a z between (64-65)/2/sqrt(100) and z of (66-65)/2/sqrt(100)
=-1(10)/2 and 1(10/2)
=-5 and 5
probability is 1
