Answer to Question #290076 in Engineering for cors

Question

1. Suppose the heights H of 800 students are normally distributed with mean 66

inches and standard deviation 5 inches. Find the number N of students with

heights:

a. Between 65 and 70 inches

b. Greater than or equal to 6 feet (72 inches)

2. A fair coin is tossed 12 times. Determine the probability P that the number of

heads occurring is between 4 and 7 inclusive by using the normal approximation.

Answer 1

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