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Let X be a random variable that represents the weights in pounds (1b) of adult females who are in their 40s X has mean /
Let X be a random variable that represents the weights in pounds (1b) of adult females who are in their 40s X has mean / 139 lbs and standard deviation o = 10 lbs. An adult female in her 40s that weighs above 142.5 is considered overweight A) Is a sample of size 30 or more required to obtain a normally distributed sampling distribution of mean weights? Yes O No B) What is the probability that 34 adult females in their 40s have a mean weight over 142 5 Ibs? (Round a; to two decimal places and your answer to four decimal places.) 0.0035 X
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