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Mathematics, 07.03.2020 00:14 HayleiMae

The probability that event M will not occur is 0.8 and the probability that event R will not occur is 0.6. If events M and R cannot both occur, which of the following is the probability that either event M or event Rwill occur?
a. 1/5
b. 2/5
c. 3/5
d. 4/5
e.12/25

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