Question: please answer both 1. (10 point) A research scientist reports that mice will live an average of 40 months when their diets are sharply restricted

please answer both

1. (10 point) A research scientist reports that mice will live an average of 40 months when their diets are sharply restricted and then enriched with vitamins and proteins, Assuming that the lifetimes of such mice are normally distributed with a standard deviation of 6.3 months, find the probability that a. a given mouse will live between 37 and 49 months. b. the lifetime of a given mouse differs from the population mean by more than two months

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2. To understand that as a general rule it takes about 3 minutes before the other part(s) have made up a 90% impression of you.

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