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A random sample of 15 women in a beginning aerobic class had a mean weight of 142 pounds and standard deviation of 12 pounds.

A random sample of 15 women in a beginning aerobic class had a mean weight of 142 pounds and standard deviation of 12 pounds. What is the 95% confidence interval of the mean of all women in the beginning aerobic class? Round your answers to two decimal places. O 134.01 < u < 149.99 O 135.93 < u < 148.07 135.40 < u < 148.60 136.54 < u < 147.46

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