suppose a batch of metal shafts produced in a manufacturing company have a variance of 2.25 and a mean diameter of 214 inches. if 78 shafts are sampled at random from the batch, what is the probability that the mean diameter of the sample shafts would be less than 213.8 inches? round your answer to four decimal places.
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SAT, 26.06.2019 21:40
Consider a normal distribution of frog weights with u = 500 grams and o = 65 grams. a sample of size 2,000 is drawn from this population. approximately how many of the 2,000 cases would you expect to find between 435 and 565?
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SAT, 28.06.2019 08:30
Students taking a clep exam can earn between college credits, depending on the college's policies.
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suppose a batch of metal shafts produced in a manufacturing company have a variance of 2.25 and a me...
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