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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