1. Assume that when human resource managers are randomly​ selected, 46% say job applicants should follow up within two weeks. If 10 human resource managers are randomly​ selected, find the probability that fewer than 33 of them say job applicants should follow up within two weeks.   The probability is   2. Assume that there is a 10​% 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 enter your response here.(four decimal)   b. With three hard disk​ drives, the probability that catastrophe can be avoided is enter your response here.(six Decimal)   3.  In a study of helicopter usage and patient​ survival, among the 41,213 patients transported by​ helicopter, 180 of them left the treatment center against medical​ advice, and the other 41,033 did not leave against medical advice. If 50 of the subjects transported by helicopter are randomly selected without​ replacement, what is the probability that none of them left the treatment center against medical​ advice?   The probability is ​(Round to three decimal places as​ needed.)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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1. Assume that when human resource managers are randomly​ selected,

46%
say job applicants should follow up within two weeks. If 10 human resource managers are randomly​ selected, find the probability that fewer than 33 of them say job applicants should follow up within two weeks.
 
The probability is
 
2. Assume that there is a 10​% 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
enter your response here.(four decimal)
 
b. With three hard disk​ drives, the probability that catastrophe can be avoided is
enter your response here.(six Decimal)
 
3.  In a study of helicopter usage and patient​ survival, among the 41,213
patients transported by​ helicopter, 180 of them left the treatment center against medical​ advice, and the other
41,033 did not leave against medical advice. If 50 of the subjects transported by helicopter are randomly selected without​ replacement, what is the probability that none of them left the treatment center against medical​ advice?
 
The probability is
​(Round to three decimal places as​ needed.)
 
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