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classwork5 - Exam Name_ MULTIPLE CHOICE. Choose the one...

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Exam Name___________________________________ MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Decide which of the data sets you would expect to be normally distributed. 1) a. The amount of change held by a teacher at the end of each day for a year b. The amount of property taxes paid by homeowners in a new "affordable housing" subdivision 1) A) b B) a C) neither Select the appropriate distribution. 2) Select the distribution that appears to be closest to normal. 2) A) B) C) D) None of the distributions appear to be normal or near - normal. 1
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Use the following distribution to answer the question. 3) What is the total area under the curve? 3) A) 3000 B) 2500 C) 1 D) 3 4) What is the mean of the distribution? 4) A) 2000 B) 3000 C) 2500 D) 4000 5) Estimate the percentage of light bulbs having a life between 2000 hours and 2500 hours. 5) A) 85% B) 50% C) 35% D) 65% Apply the 68 - 95 - 99.7 rule to answer the question. 6) The lifetimes of light bulbs of a particular type are normally distributed with a mean of 290 hours
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This note was uploaded on 11/15/2011 for the course STAT stat1013 taught by Professor Staff during the Fall '10 term at FSU.

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classwork5 - Exam Name_ MULTIPLE CHOICE. Choose the one...

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