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A 99% confidence interval (in inches) for mean height of population is 65.44 < μ < 66.96.  This result is based upon a sample size of 144.  If the confidence interval 65.65 < μ < 66.75 is obtained from same sample data, find out the degree of confidence?

a. You will first require to find out the sample mean and sample standard deviation based on confidence interval given

b. Employ the value you found in part a to determine the degree of confidence for interval 65.65 < μ < 66.75 is based on.

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