Mathematics, 07.04.2021 01:00, antoinewill05

Suppose the diameter at breast height (in.) of a certain type of tree is distributed normally with a mean of 8.8 and a standard deviation of 2.8. (a)What is the probability that the diameter of a randomly selected tree will be at least 10 inches? Will exceed 10 inches.

(b) What is the value of c so that the interval (8.8-c, 8.8+c) contains 98% of all diameter values.

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Suppose the diameter at breast height (in.) of a certain type of tree is distributed normally with a...