STATISTICS-WILEYPLUS ACCESS
2nd Edition
ISBN: 9781119163695
Author: Lock
Publisher: WILEY
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Chapter C, Problem 115RE
a.
To determine
Find the mean age for the wives in this sample.
Find the 95% confidence interval for the mean age at marriage for wives in the population.
b.
To determine
Find the mean age for the husbands in this sample.
Find the 95% confidence interval for the mean age at marriage for husbands in the population.
c.
To determine
Find the decision if possible otherwise explain the reason.
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A common way for two people to settle a frivolous dispute is to play a game of rock-paper-scissors. In this game, each person simultaneously displays a hand signal to indicate a rock, a piece of paper, or a pair of scissors. Rock beats scissors, scissors beats paper, and paper beats rock. If both players select the same hand signal, the game results in a tie.
Two roommates, roommate A and roommate B, are expecting company and are arguing over who should have to wash the dishes before the company arrives. Roommate A suggests a game of rock-paper-scissors to settle the dispute.
Consider the game of rock-paper-scissors to be an experiment. In the long run, roommate A chooses rock 21% of the time, and roommate B chooses rock 61% of the time; roommate A selects paper 39% of the time, and roommate B selects paper 21% of the time; roommate A chooses scissors 40% of the time, and roommate B chooses scissors 18% of the time. (These choices are made randomly and independently of each…
Chapter C Solutions
STATISTICS-WILEYPLUS ACCESS
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