Mathematics, 02.05.2021 14:00 juliangarcia0002

According to Mr. Bock, 67% of all students at LHS play sports. Suppose we are interested in the proportion of the 100 students in the East Atrium play sports. (a) Is the normal approximation to the proportion pˆ = r / n valid? Explain.

(b) What is the probability that the proportion of those in the East Atrium who play sports is at least three fourths?

(c) What is the probability that the proportion of those in the East Atrium who play sports is no more than 60%?

(d) What is the probability that the proportion of those in the East Atrium who play sports is between 60% and 75%?

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