Find probability that random selected score is between range

Reference no: EM13115658

1. A large normally distributed population has a mean of 150 and a std. dev. Of 12

a. Find the probability that a random selected score is between 150 and 157.

b. If a sample of size n = 100 is randomly selected, find the probability that the sample mean will be between 150 and 157.

Reference no: EM13115658

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