Name: Jeremy Pflug
Name of proctor: Theresa Hickey
Math 354.301
Chapters 810 test
Due November 4, 2009
Time limit: two hours
Instructions: Solve each of the following problems. The textbook and
computational aids (calculators, spreadsheets) are allowed for the exam. Other
than that, no outside resources (books other than the course textbook, notes,
websites, people) are allowed.
Please note any formula you use to solve a
problem.
1.
A local gas station reported that the number of lottery tickets sold per
week followed a normal distribution with mean sales of 1205 tickets per
week and standard deviation of 330 tickets per week.
STANDARD NORMAL DISTRIBUTION FORMULA
a.
What is the likelihood that for one week the number of lottery tickets
sold is less than 1100?
64%
b.
What is the likelihood that for one business quarter, i.e. twelve
weeks, the average number of lottery tickets sold per week is less
than 1100?
5.3%
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 Spring '11
 Dr.Jones

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