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Section 7.2, pp. 357361 Problems
7.2 page 357
1. Lefttailed test, z = 1.20,
a = 0.10
z=1.20 = 0.115 = P
The pvalue for the lefttailed hypothesis test with a test statistic of z = 1.20 is P = 0.115.
Because 0.115 > 0.1, you should fail to reject H sub 0.
page 357
No.4 righttailed test z= 1.23
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Unformatted text preview: a=.10 P value for righttailed test has a z= 1.23 and P= .8907. Since 1.23> .8907 you should not fail to reject H sub 0. Because 1.23 on standard deviation chart = .8907 which would be P. If it is less than the z test you fail to reject the Ho....
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This homework help was uploaded on 02/19/2008 for the course MATH 221 taught by Professor Forgot:s during the Spring '07 term at DeVry Houston.
 Spring '07
 forgot:S
 Math

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