8 percent of all Nova Scotians are known to have abnormal blood pressure requiring some form of medication.

(give answers to4places past decimal)

1. What is the sampling distribution for the sample proportion of Nova Scotians requiring medication in a random sample of 550 Nova Scotians?

Normal with mean: _____ and standard deviation: _____

2. What is the probability that the sample proportion of Nova Scotians requiring medication, in the random sample of part (1) above, is greater than 10 %? _____

3. What is the minimum sample size necessary for the sample proportion of Nova Scotians requiring medication to be approximately normal? _____