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According to a recent study, 46% of all adults have back problems. If 7 adults are randomly sampled, what is the probability hat 0-7 of the adults have back problems?
18 years ago

Answers

Reiny
I will assume that "0-7" means none out the seven choses has back problems.
then..
it is simply : (0.54)^7
18 years ago

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