2. In a restaurant, the proportion of people who
order coffee with their dinner is .9. A simple random sample of 144
patrons of the restaurant is taken.
a.
What are the expected value, standard deviation,
and shape of the sampling distribution of ?
b.
What is the probability that the sample proportion
of people who will order coffee with their meal is between 0.85 and
0.875?
dr.two
