Suppose 56%of the children in a school are girls. If a sample of 428 children is...
Suppose 56%of the children in a school are girls.
If a sample of 428 children is selected, what is the probability that the sample proportion of girls will be greater than 50%? Round your answer to four decimal places.
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Suppose 56%of the children in a school are girls.
If a sample of 428 children is...
Suppose that 50% of all babies born in a particular hospital are girls. If 6 babies...
Suppose that 50% of all babies born in a particular hospital are girls. If 6 babies born in the hospital are randomly selected, what is the probability that more than 1 of them are girls? Carry your intermediate computations to at least four decimal places, and round your answer to two decimal places.
Suppose 58% of the doctors in a hospital are surgeons. If a sample of 611 doctors...
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 a shipment of shoes contained 9% defectives. If a sample of size 209 is selected,...
Suppose a shipment of shoes contained 9% defectives. If a sample of size 209 is selected, what is the probability that the sample proportion will be greater than 10%? Round your answer to four decimal places.
It is generally believed that nearsightedness affects about 12% of all children. A school district has...
It is generally believed that nearsightedness affects about 12% of all children. A school district has registered 170 incoming kindergarten children. If a random sample of 50 kindergarten children is selected, what is the probability the sample differs from the mean by more than 1%? Round your answers to four decimal places. ( please show step by step) thanks.
Suppose a large shipment of laptop computers contained 12% defectives. If a sample of size 286...
Suppose a large shipment of laptop computers contained 12% defectives. If a sample of size 286 is selected, what is the probability that the sample proportion will be greater than 7%? Round your answer to four decimal places.
Suppose a large shipment of laser printers contained 20% defectives. If a sample of size 218...
Suppose a large shipment of laser printers contained 20% defectives. If a sample of size 218 is selected, what is the probability that the sample proportion will be greater than 17%? Round your answer to four decimal places
Suppose 51% of politicians are lawyers. If a random sample of size 723 is selected, what...
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 51% of the banks in Switzerland are private organizations. If a sample of 544 banks...
Suppose 51% of the banks in Switzerland are private organizations. If a sample of 544 banks is selected, what is the probability that the sample proportion of private banks will be greater than 47%? Round your answer to four decimal places. Show how to enter on calculator please.
In a family with 3 children, the probability that all the children are girls is appoximately...
In a family with 3 children, the probability that all the children are girls is appoximately 0.125. In a random sample of 1000 families with 3 children, what is the approximate probability that 95 or fewer will have 3 girls? Approximate a binomial distribution with a normal distribution 囲Click the icon to view the area under the standard normal curve table. The probability that 95 or fewer families will have 3 girls is (Round to four decimal places as needed.)
Suppose 50% of the population has a college degree. If a random sample of size 673...
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.
In a family with 3 children, the probability that all the children are girls is appoximately 0.125. In a random sample of 1000 families with 3 children, what is the approximate probability that 95 or fewer will have 3 girls? Approximate a binomial distribution with a normal distribution 囲Click the icon to view the area under the standard normal curve table. The probability that 95 or fewer families will have 3 girls is (Round to four decimal places as needed.)
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