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1. Given: A normally distributed population with 150 and 24. If samples of size 36 are drawn at random, what is the probability of obtaining

(a) a sample mean of 154 or or higher?

(b) a sample mean that differs from 150 by 6 points or more?

2. Given: A normally distributed population with 120 and 10. If samples of size 25 are drawn at random, what is the probability of obtaining

(a) a sample mean of 118.25 or lower?

(b) a mean that differs from 120 by 2 points or more? 8.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92681030

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