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A normal population has mean $\mu=9$ and standard deviation $\sigma=5$. (a) What proportion of the population is less than 20? (b) What is the probability that a randomly chosen value will be greater than 6 ?
Round the answers to four decimal places.
Part: $0 / 2$
Part 1 of 2
The proportion of the population less than 20 is $\square$ . Skip Part Check - 2024 McGraw Hill LLC. All Ri