You have a sample of 475 adults.  The following is a distribution:

1 prior-25 adults
2 prior-30 adults
3 priors-35 adults
4 priors-40 adults
5 priors-45 adults
6 priors-50 ad.
7 p.-55 ad.
8p- 60 ad
9p-65 ad
10 p- 65 ad

Suppose you want to select four adults at random from this population.  What
is the probability of getting the following in 4 selections?

At least two adults with 5 priors, with replacement.

Thanks,
Brian


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