Chapter 6 Quiz

# Chapter 6 Quiz - Chapter6Quiz \$1.42....

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Chapter 6 Quiz Suppose the average hourly wage of a production line worker in a particular industry is  normally distributed with a standard deviation of \$1.42. Eighty-three percent of the  workers earn more than \$10.20. The mean is: \$11.38 \$11.55 \$8.85 \$10.67 Suppose the average hourly wage of a production line worker in a particular industry is  normally distributed with a mean of \$9.40. Sixty percent of the workers earn less than  \$10.25. The standard deviation is: \$1.42 \$3.40 \$8.50 \$2.13 Suppose the average hourly wage of a production line worker in a particular industry is  normally distributed with a mean of \$9.40 and a standard deviation of \$0.80. Thirty-two  percent of the workers earn more than: \$9.02 \$9.78 \$9.26 \$9.58 Suppose x is normally distributed with a standard deviation of 7. Seventy-one percent of  the values are less than 45. The mean is: 46.47

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48.85 43.53 41.15 Suppose x is normally distributed with a mean of 130 and a standard deviation of 25.  Twenty-six percent of the values are less than what value? 136 114 123.5 146 Suppose x is normally distributed with a mean of 56. Eighty percent of the values are  greater than 48. The standard deviation is approximately:
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