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7. In the US, 40% of the population)n have brown eyes. If 14 people are randomly...

7. In the US, 40% of the population)n have brown eyes. If 14 people are randomly selected then

a) find the average number and standard deviation of people with brown eyes

b) P(at least 12 of them will have brown eyes)

c) P(exactly 7 will have brown eyes)

d)P(less then 4 or more than 10 of them will have brown eyes)

Math   Statistics-And-Probability   
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