Question
A company sells sunscreen in 350 milliliter (ml) tubes. In fact, the amount of lotion in a tube varies according to a normal distribution
A company sells sunscreen in 350 milliliter (ml) tubes. In fact, the amount of lotion in a tube varies according to a normal distribution with mean = 346 ml and standard deviation = 7 ml. M Suppose a store which sells this sunscreen advertises a sale for 6 tubes for the price of 5. Consider the average amount of lotion from a SRS of 6 tubes of sunscreen and find: (a) The standard deviation of the average, : (b) The probability that the average amount of sunscreen from 6 tubes will be less than 337 ml. Answer:
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An Introduction to Analysis
Authors: William R. Wade
4th edition
132296381, 978-0132296380
