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The income of trainees at the local factor a normally distributed with a mean of $1,100 and a center division of $150. What is the probability the mean salary of 10 randomly selected trainees and...

Your Sock drawer is a mess and contains 10 white socks, 12 black socks, and 4 red socks. How many socks would you have to pull out of the drawer to be sure you have a pair

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