Math l 160 Probability Models
1. Suppose that you are a government inspector. Your job requires that you travel within a particular 0')
region to do inspections and that you be in contact with people while you are in transit. Your cell /
phone provider cl
Math 1 I60 Tmorial - Normal Distributions
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Math 1160 Winter 2013 Quiz 8
Name: Score: / 5
Student Number:
1. A survey of randomly chosen adults found that 30 of the 64 women and 49 of the
74 men follow regular exercise programs. Construct a 95% condence interval for
[I] the difference in the prop
Math 1160 Quiz 3
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Name: Score: % 3 / 5
Student Number:
1. Three statistics classes (50 students each) took the same test. Shown below are
histograms of the scores for the classes. Use the histograms and boxpiots to answer
the questions below.
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Math 1160 Tutorial ll Proportions
From a random sample of 482 lawyers, 248 indicate that they are regularly engaged in pro bona _
(volunteer) cases. At the 0.05 level of signicance, test the claim that lawyers are good citizens. That rs.
that more than