Do Generation X and Boomers differ in how they use credit​ cards? A sample of 1,000 Generation X and 1,000 Boomers revealed the results in the accompanying table. a. If a respondent selected is a member of Generation​ X, what is the probability that he or she pays the full amount each​ month? b. If a respondent selected is a​ Boomer, what is the probability that he or she pays the full amount each​ month? c. Is payment each month independent of​ generation?

question h and expected number

Assume that there is a 4% rate of disk drive failure in a year. a. If all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. If copies of all your computer data are stored on three independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive? a. With two hard disk drives, the probability that catastrophe can be avoided is (Round to four decimal places as needed.) b. With three hard disk drives, the probability that catastrophe can be avoided is (Round to six decimal places as needed.)

The First Mortgage Company has noted that 6% of its customers pay their mortgage payments after the due date. a. What is the probability that in a random sample of 150 customers 7 will be late on their payments? b. What is the probability that in a random sample of 150 customers at least 10 will be late on their payments?

A technology company is forming a task force of six members to deal with urgent quality issues.  The  positions  will  be  filled  by  randomly  chosen  qualified  applicants.  The  qualified applicants consist of five managers and ten engineers. a. What  is  the  probability  that  the  number  of  managers  is  the  same  as  the  number  of engineers on the task force? b. What is the expected number of engineers chosen?

In a study by Peter D. Hart Research Associates for the Nasdaq Stock Market, it was determined that 20% of all stock investors are retired people. In addition, 40% of all U.S. adults invest in mutual funds. Suppose a random sample of 25 stock investors is taken. a. What is the probability that exactly eight are retired people? b. What is the probability that 10 or more are retired people? c. How many retired people would you expect to find in a random sample of 25 stock investors? d. Suppose a random sample of 20 U.S. adults is taken. What is the probability that exactly eight adults invested in mutual funds? e. Suppose a random sample of 20 U.S. adults is taken. What is the probability that fewer than five adults invested in mutual funds? f. Suppose a random sample of 20 U.S. adults is taken. What is the probability that exactly one adult invested in mutual funds? g. Suppose a random sample of 20 U.S. adults is taken. What is the probability that 11 or more adults invested in mutual…

Assume that there is a 8% rate of disk drive failure in a year. a. If all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. If copies of all your computer data are stored on four independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive? a. With two hard disk drives, the probability that catastrophe can be avoided is 0.9936. (Round to four decimal places as needed.) b. With four hard disk drives, the probability that catastrophe can be avoided is ☐ (Round to six decimal places as needed.)

A box contains one each of $1, $5, $10, $20, and $100 bills. It costs $12 to reach in and withdraw one bill. What is the expected value? $

16 percent of the customers of a mortgage company default on their payments. A sample of 5 customers is selected. What is the probability that exactly 2 customers in the sample will default on their payments? Answer: