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Unformatted text preview: Math 300 – Test 2 Printed Name: Calculators are allowed on this test...neighbors are not ! Round to 4 places after the decimal, when necessary. 1 The average amount of rain per year in Greenville is 49 inches. The standard deviation is 8 inches. Find the probability that Greenville will receive the following amount of rainfall. Assume the variable is normally distributed. A 5 pts At most 55 inches of rain. ............................................................................................................................ B 5 pts At least 62 inches of rain. ............................................................................................................................ C 5 pts Between 46 and 54 inches of rain. 2 5 pts A student scored 76 on a general science test where the class mean and standard deviation were 82 and 8, respectively. He also scored 53 on a psychology test where the class mean and standard deviation were 58 and 3, respectively. In which class was his relative position higher? Explain. 3 5 pts In a standard normal distribution, what negative z value corresponds to 17% of the data between the mean and the z value? Dr. Emmert Summer 2010 I of IV Points Earned of 25 Math 300 – Test 2 4 The average production of peanuts in Virginia is 3000 pounds per acre. A new plant food has been developed and is tested on 60 individual plots of land. The mean yield with the new plant food is 3120 pounds of peanutsand is tested on 60 individual plots of land....
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 Summer '11
 KeithEmmert
 Standard Deviation

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