What is the probability that in a group of 10 people from

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In a certain population, 60% of people have blond hair.

a) What is the probability that in a group of 10 people from this population, exactly 7 are have blond hair?

b) How to calculate the probability that in the group of 100 people from this population at least 80 have blond hair?

Use the most efficient method and explain your result.

Reference no: EM13626676

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