Mathematics, 18.07.2020 20:01 kornut7316
A company that produces DVD drives has a 6% defective rate. Let X represent the number of defectives in a random sample of 57 of their drives.
Required:
a. What is the probability the sample will containexactly 2 defective drives? Give your answer to four decimalplaces.
b. What is the probability the sample will containmore than 2 defective drives? Give your answer to four decimalplaces.
c. What is the probability the sample will containless than 2 defective drives? Give your answer to four decimalplaces.
d. What is the expected number of defective drivesin the sample? Give your answer to two decimal places.
e. What is the variance of the number of defectivedrives in the sample? Give your answer to four decimalplaces.
f. What is the standard deviation of the number ofdefective drives in the sample? Give your answer to four decimalplaces.
g. Each defective drive costs the company 15dollars. What is the expected cost to the company for the defectivedrives in the sample? Give your answer to two decimalplaces.
h. Each defective drive costs the company 15dollars. What is the standard deviation of the cost to the companyfor the defective drives in the sample? Give your answer to fourdecimal places.
Answers: 1
Mathematics, 21.06.2019 15:00
Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. another supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which would you choose and how much would you save with that choice? show calculator try it! if you buy 1000 ml bags, how many do you need to buy each month? type your answer in the space provided and click on the check answer button.
Answers: 3
Mathematics, 21.06.2019 21:30
The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values
Answers: 3
Mathematics, 21.06.2019 21:50
What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83
Answers: 1
Mathematics, 21.06.2019 22:30
5, 6, 10 question: a. determine whether the side lengths form a triangle. (explain your reasoning) b. if it is a triangle, determine whether it is a right, acute, or obtuse triangle. (show your work)
Answers: 1
A company that produces DVD drives has a 6% defective rate. Let X represent the number of defectives...
Mathematics, 02.10.2020 15:01
Mathematics, 02.10.2020 15:01
Mathematics, 02.10.2020 15:01
Spanish, 02.10.2020 15:01
Arts, 02.10.2020 15:01
Mathematics, 02.10.2020 15:01
Mathematics, 02.10.2020 15:01
English, 02.10.2020 15:01
Mathematics, 02.10.2020 15:01
Mathematics, 02.10.2020 15:01
Social Studies, 02.10.2020 15:01
Mathematics, 02.10.2020 15:01
History, 02.10.2020 15:01