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In a clothing store, 65% of the customers buy a shirt, 30% of the customers
buy a pair of pants, and 20% of the customers buy both a shirt and a pair of
pants.
If a customer is chosen at random, what is the probability that he or she buys
a shirt or a pair of pants?
A. 0.25
B. 0.95
C. 0.35
D. 0.75



Answer :

MathPhys

Answer:

D. 0.75

Step-by-step explanation:

This probability can be found using the inclusion-exclusion principle, which states that P(A or B) = P(A) + P(B) − P(A and B).

P(shirt OR pants) = P(shirt) + P(pants) − P(shirt AND pants)

P(shirt OR pants) = 0.65 + 0.30 − 0.20

P(shirt OR pants) = 0.75

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