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In: Economics

The Ice Chalet offers dozens of different beginning ice-skating classes. All of the class names are...

The Ice Chalet offers dozens of different beginning ice-skating classes. All of the class names are put into a bucket. The 5 P.M., Monday night, ages 8 to 12, beginning ice-skating class was picked. In that class were 64 girls and 16 boys. Suppose that we are interested in the true proportion of girls, ages 8 to 12, in all beginning ice-skating classes at the Ice Chalet. Assume that the children in the selected class are a random sample of the population.

a.) Calculate the following:
x = _______

b.) Calculate the following:
n = _______

c.) Calculate the following:
p′ = _______

d.) If we construct a 92% Confidence Interval for the true proportion of girls in the ages 8
to 12 beginning ice-skating classes at the Ice Chalet, how much area is in each tail?

Solutions

Expert Solution

Rahul Sunny answered 2 years ago
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