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Cheese Eaters and Probability

APSTAT-GAGT3T

The probability that Mary will eat cheese on any given day is $0.6$ while the probability that Becca will eat cheese on any given day is $0.25$.

If these events are totally independent, what is the probability that Mary or Becca will eat cheese on a randomly selected day?

A

$0.15$

B

$0.25$

C

$0.425$

D

$0.7$

E

$0.85$