Suppose 58% of the doctors in a hospital are surgeons.
If a sample of 611 doctors is selected, what is the probability that the sample proportion of surgeons will differ from the population proportion by greater than 5%? Round your answer to four decimal places.
Suppose 58% of the doctors in a hospital are surgeons. If a sample of 611 doctors...
Suppose 41%41% of the doctors in America are dentists. If a random sample of size 826826 is selected, what is the probability that the proportion of doctors who are dentists will be less than 40%40%? Round your answer to four decimal places.
Suppose 50% of the population has a college degree. If a random sample of size 673 is selected, what is the probability that the proportion of persons with a college degree will differ from the population proportion by less than 5%? Round your answer to four decimal places.
Suppose a large shipment of stereos contained 21% defectives. If a sample of size 348 is selected, what is the probability that the sample proportion will differ from the population proportion by more than 4%? Round your answer to four decimal places.
Suppose 47% of the population has a college degree. If a random sample of size 460 is selected, what is the probability that the proportion of persons with a college degree will differ from the population proportion by less than 4%? Round your answer to four decimal places.
Suppose a large shipment of microwave ovens contained 18% defectives. If a sample of size 238 is selected, what is the probability that the sample proportion will differ from the population proportion by less than 3%? Round your answer to four decimal places.
Suppose 51% of politicians are lawyers. If a random sample of size 723 is selected, what is the probability that the proportion of politicians who are lawyers will differ from the total politicians proportion by greater than 4%? Round your answer to four decimal places.
Suppose 42% of politicians are lawyers. If a random sample of size 628 is selected, what is the probability that the proportion of politicians who are lawyers will differ from the total politicians proportion by more than 5%? Round your answer to four decimal places.
Suppose that a random sample of size 64 is to be selected from a population with mean 40 and standard deviation 5. (a) What are the mean and standard deviation of the sampling distribution? (b) What is the approximate probability that will be within 0.3 of the population mean u? (Round your answer to four decimal places.) (c) What is the approximate probability that will differ from u by more than 0.7? (Round your answer to four decimal places.)
Suppose 40% of politicians are lawyers. If a random sample of size 766 is selected, what is the probability that the proportion of politicians who are lawyers will differ from the total politicians proportion by more than 3%? Round your answer to four decimal places.
Suppose babies born in a large hospital have a mean weight of 3366 grams, and a variance of 244,036. If 118 babies are sampled at random from the hospital, what is the probability that the mean weight of the sample babies would differ from the population mean by more than 45 grams? Round your answer to four decimal places.