It has been found that times taken by people to complete a particular tax form follow a
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b. What is the probability that a randomly chosen person takes between 70 and 130 minutes to complete this form?
c. Five percent of all people take more than how many minutes to complete this form?
d. Two people are chosen at random. What is the probability that at least one of them takes more than an hour to complete this form?
e. Four people are chosen at random. What is the probability that exactly two of them take longer than an hour to complete this form?
f. For a randomly chosen person, state in which of the following ranges (expressed in minutes) the time to complete the form is most likely to lie.
70989, 909109, 1009129, 1309149
g. For a randomly chosen person, state in which of the following ranges (expressed in minutes) the time to complete the form is least likely to lie.
70989, 909109, 1109129, 1309149 Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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Related Book For
Statistics For Business And Economics
ISBN: 9780132745659
8th Edition
Authors: Paul Newbold, William Carlson, Betty Thorne
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