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 H
0 should be rejected at the
![](data:image/png;base64, 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)
and
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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