spycn5069
10.03.2020 •
Mathematics
You simultaneously flip a pair of fair coins. Your friend gives you one dollar if both coins come up heads. You repeat this ten times and your friend gives you X dollars. Find E[X], the expected number of dollars you receive. What is the probability that you do "worse than average"?
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Ответ:
E(X) = $2.5
P(Worst than Average) = 0.072
Step-by-step explanation:
I have solved this problem on paper. (Attached)
Ответ:
Median: 133.5
Lower/First quartile: 128
Upper/Third quartile: 139
Interquartile range: 139 - 128 = 11
so your interquartile range is 11