elsauceomotho
15.07.2019 •
Mathematics
On a given monday, the probability of rain is 0.72, the probability that the maximum temperature for the day will exceed 75°f is 0.84, and the probability that it will rain and that the maximum temperature will exceed 75°f is 0.64. what is the probability that it will rain or the maximum temperature will exceed 75°f?
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Ответ:
the addition rule states that
P(A or B) = P(A) + P(B) − P(A and B)
in this problem
P(A)=0.72
P(B)=0.84
P(A and B)=0.64
so
P(A or B) = P(A) + P(B) − P(A and B)> 0.72+0.84-0.64
P(A or B) = 0.92
the answer is
0.92 (92%)
Ответ:
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