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Posted on Sep 21, 2024

A recent survey found out that 52% of girls 14-17 years old wear contacts. We take a random sample of 20 girls 14-17 years old.

a) Is this a binomial distribution?

b) Find the probability that exactly 15 girls in our sample of 20 are wearing contacts.

c) Find the probability that at least 10 girls are wearing contacts.

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