According to the American Academy of Cosmetic Dentistry, 75% of adults believe that an unattractive smile hurts
Question:
According to the American Academy of Cosmetic Dentistry, 75% of adults believe that an unattractive smile hurts career success. Suppose that 25 adults are randomly selected.
a. What is the probability that 15 or more of them would agree with the claim?
b. What is the probability that less than 14 would agree?
c. What is the probability that 15 would agree?
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