Who prepares your tax return? As part of a study on income tax compliance (Behavioral Research and Accounting, January 2015), researchers found that 37% of adult workers prepare their own tax return. Assume that this percentage applies to all U.S. adult workers. Now con- sider a random sample of 270 adult workers. a. Find the probability that more than 112 of the workers prepare own tax return. their b. Find the probability that between 100 and 150 of the workers their own tax return. prepare
Who prepares your tax return? As part of a study on income tax compliance (Behavioral Research and Accounting, January 2015), researchers found that 37% of adult workers prepare their own tax return. Assume that this percentage applies to all U.S. adult workers. Now con- sider a random sample of 270 adult workers. a. Find the probability that more than 112 of the workers prepare own tax return. their b. Find the probability that between 100 and 150 of the workers their own tax return. prepare
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Transcribed Image Text:Who prepares your tax return? As part of a study on
income
tax compliance (Behavioral Research and
Accounting, January 2015), researchers found that 37% of
adult workers prepare their own tax return. Assume that
this percentage applies to all U.S. adult workers. Now con-
sider a random sample of 270 adult workers.
a. Find the probability that more than 112 of the workers
prepare own tax return.
their
b. Find the probability that between 100 and 150 of the
workers their own tax return.
prepare
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