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The table summarizes the probability distribution of the number of coffees that students order per day...

The table summarizes the probability distribution of the number of coffees that students order per day at Rutgers. Assume no one orders more than 3 cups.
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X = cups of coffee | 0 | 1 | 2 | 3 |
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Probability | 0.32 | 0.44 | | 0.13 |
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1. Find the expected value of the number of cups of coffee each day. Show all work

2. Find the standard deviation of number of cups of coffee per day. Show all work
Math   Statistics-And-Probability   
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