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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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baileymeredith baileymeredith
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4 years ago
A survey claims that 9 out of 10 doctors (i.e., 90%) recommend brand Z for their patients who have children. To test this claim against the alternative that the actual proportion of doctors who recommend brand Z is less than 90%, a random sample of doctors was taken. Suppose the test statistic is z = -1.95. Can we conclude that H0 should be rejected at the and level?

▸ a) no; b) no; c) no

▸ a) no; b) no; c) yes

▸ a) yes; b) yes; c) yes

▸ a) yes; b) yes; c) no
Textbook 
Statistics: Informed Decisions Using Data

Statistics: Informed Decisions Using Data


Edition: 5th
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jesika1122jesika1122
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