the prices of three t-shirts are $24, $30, and $36 what is the probability of choosing a $24 t-shirt is 1/6. the probability of
choosing a $20 t-shirt is 1/2. The probability of choosing a $36 t-shirt is 1/3. what is the expected value of a t-shirt?
1 answer:
convert all to a common ratio
24 1/6
30 3/6
36 2/6
(24+30+30+30+36+36)/6
186/6
the expected value is 31.
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