cakreclau891 cakreclau891
  • 04-11-2022
  • Mathematics
Answered

suppose a clothing store wants to determine the current percentage of customers who are over the age of forty. how many customers should the company survey in order to be 90% confident that the estimated (sample) proportion is within 4 percentage points of the true population proportion of customers who are over the age of forty?



Answer :

Other Questions

according to the latest financial reports from a sporting goods store, the mean sales per customer was $75 with a population standard deviation of $6. the store
it has been reported that the percentage of older adults with children who experienced the death of a child when the parent was 60 years of age or older was as
suppose that, for a certain exam, a teacher grades on a curve. it is known that the mean is 70 and the standard deviation is 10. there are 30 students in the cl
Suppose 20% of ohio residents support the legalization of marijuana. If you randomly select n people and would like to use the normal approximation to answer qu
the mean weight of an adult is 70 kilograms with a standard deviation of 8 kilograms. if 87 adults are randomly selected, what is the probability that the sampl