Posted by **Manda** on Wednesday, November 9, 2011 at 10:07pm.

A large company has found that 40% of it employees own their own homes.

a.) If we randomly select a sample of 20 employees, what is the probability that the sample proportion that own their homes is over 50%?

b.) If we randomly select a sample of 40 employees, what is the probability that the sample proportion that own their homes in over 50%?

c.) If we randomly select a sample of 20 employees, what is the probability that the sample proportion that own their homes is between 30% and 50%?

Thanks!

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