mcmccann4317
11.12.2019 •
Mathematics
6. e1 and e2 are events from the same sample space; p(e1)=0.37, p(e2)=0.45, and p(e1, e2)=0.14. a. find the probability that e2 does not occur. b. find the probability that either e1 or e2 occurs. c. find the probability that neither e1 nor e2 occurs.
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Ответ:
a. 0.55
b. 0.68
c. 0.18
Step-by-step explanation:
a. The probability that E2 does not occur is one minus the probability that E2 occurs:
b. The probability that either E1 or E2 occurs is given by the sum of their individual probabilities minus their joint probability:
c. The probability that neither E1 nor E2 occurs is one minus the probability of E1 occurring minus the probability of E2 occurring:
Ответ: