A large mail house which mails such items as catalogues, magazines, and other bulk mailings guarantees that there will be no more than a 3 error rate on its mailing labels. A customer who contracted a mailing to 190,000 individuals experienced a return of 5,900 items, which had incorrect addresses. Which of the following statements is true?
a. There is a 3 chance of an incorrect return.
b. There is a 0.0054 probability that a return of 5900 or more incorrect addresses could occur if the true error rate is 3.
c. There is a 0.4964 probability that a return of 5900 or more incorrect addresses could occur if the true error rate is 3.
d. There is a 2.69 percent possibility that a return of 5900 incorrect addresses could occur if the true error rate is 3.
e. None of these statements are correct.
Question 2
The average sales per customer at a home improvement store during the past year is 75 with a standard deviation of 12 . The probability that the average sales per customer from a sample of 36 customers, taken at random from this population, exceeds 78 is:
a. 0.4332.
b. 0.0668.
c. 0.0987.
d. 0.9013.
e. 0.5000
Albatrosses brood young chicks until they are large enough to thermoregulate.
Diverticulosis. It is the presence of abnormal pouches in the wall of the large intestine (diverticu
Large white butterfly egg
Fungi House
Would you put one of these in your house? :D
Venn diagram representation of 17,067 medium and large clusters of protein