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wakandafoodyoup9ioz4
12.01.2021 •
Mathematics
Evaluate 7³
A.21
B.73
C.343
D.2187
Solved
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Ответ:
C) 343
Step-by-step explanation:
7 x 7 x 7 = 343
Ответ:
Check the explanation
Step-by-step explanation:
The given problem can be modeled into a geometric distribution as follows.
Suppose, X be the number of at-bats required to get a home run. As each at-bat is independent.
A.
Required probability is given by
P(X=5)=(1-0.16)^{5-1}0.16=0.07965942
B.
We have to calculate E(X).
Subtracting later from earlier we get,
So, expected number of at-bats until home run = 1/0.16 = 6.25