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.)

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section8.7: Probability

Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...

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Related questions

Question

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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