According to government data, 20% of employed women have never been married. If 10 employed women are selected at random, what is the probability a. That exactly 2 have never been married? b. That at most 2 have never been married? c. That at least 8 have been married?

According to government data, 20% of employed women have never been married. If 10 employed women are selected at random, what is the probability a. That exactly 2 have never been married? b. That at most 2 have never been married? c. That at least 8 have been married?

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

In the United States, voters who are neither Democrat nor Republican are called Independent. It is believed that 10% of voters are Independent. A survey asked 26 people to identify themselves as Democrat, Republican, or Independent. A. What is the probability that none of the people are Independent? B. What is the probability that fewer than 6 are Independent? C. What is the probability that more than 3 people are Independent?
According to government data, 73% of employed women have never been married. Rounding to 4 decimal places, if 15 employed women are randomly selected: a. What is the probability that exactly 2 of them have never been married? b. That at most 2 of them have never been married? c. That at least 13 of them have been married?
61% of all Americans are home owners. If 44 Americans are randomly selected, find the probability that.
48% of all violent felons in the prison system are repeat offenders. If 38 violent felons are randomly selected, find the probability that a. Exactly 17 of them are repeat offenders. b. At most 17 of them are repeat offenders. c. At least 17 of them are repeat offenders. d. Between 14 and 20 (including 14 and 20) of them are repeat offenders.
Suppose the probability that a randomly selected PGA Tour player uses a Titleist brand golf ball is 0.6. For a sample of 10 PGA Tour players: a. find the probability that more than 7 use a Titleist brand golf ball. b. find the probability that at most 5 is using a Titleist brand golf ball Show your works and use the table.
48% of all violent felons in the prison system are repeat offenders. If 44 violent felons are randomly selected, find the probability that a. Exactly 18 of them are repeat offenders. Correct b. At most 20 of them are repeat offenders. c. At least 19 of them are repeat offenders. d. Between 14 and 19 (including 14 and 19) of them are repeat offenders.
55% of all violent felons in the prison system are repeat offenders. If 38 violent felons are randomly selected, find the probability that a. Exactly 22 of them are repeat offenders. b. At most 20 of them are repeat offenders. c. At least 20 of them are repeat offenders. d. Between 18 and 23 (including 18 and 23) of them are repeat offenders.
According to a recent study 0.45 of the population is left handed. If you randomly select 7 people, what is the probability that at least one of the them is left handed? NOTE: Round your answer to four decintal places
61% of all violent felons in the prison system are repeat offenders. If 41 violent felons are randomly selected, find the probability that a. Exactly 24 of them are repeat offenders. b. At most 26 of them are repeat offenders. c. At least 22 of them are repeat offenders. d. Between 22 and 27 (including 22 and 27) of them are repeat offenders.
Assume that when adults with smartphones are randomly selected, 56% use them in meetings or classes. If 77 adult smartphone users are randomly selected, find the probability that exactly 33 of them use their smartphones in meetings or classes. The probability is?
With the extra profits generated from the new customers, Jacobi is consideringexpanding his product range. He is interested in stocking a new type of motorcycleheadset camera. To fit with current business plans, the new product would have togenerate a minimum of 37.5% margin to be worthwhile. With that in mind, hehypothesises that customers will be willing to pay at least $350 for this product,which is the minimum sale price for it to be viable at the specified margin.To test if his belief is true, Jacobi hires a market researcher (you) to determine howmuch customers may be willing to pay for this product. You collect data from asample of 100 motorcycle enthusiasts, all of whom resemble Jacobi’s usualclientele, and determine that the average amount people are willing to pay is $364,with a standard deviation of $35.Using this information, you conduct a hypothesis test at a 5% level of significance tocheck whether Jacobi’s belief is justified and to help him decide whether to stockthis…
7. 64% of all violent felons in the prison system are repeat offenders. If 40 violent felons are randomly selected, find the probability that a. Exactly 23 of them are repeat offenders. ?b. At most 28 of them are repeat offenders. ?c. At least 27 of them are repeat offenders. ?d. Between 23 and 30 (including 23 and 30) of them are repeat offenders. ?