A survey claims that 9 out of 10 doctors recommend brand Z for their patients. To test this claim
Question: #4 A survey claims that 9 out of 10 doctors recommend brand Z for their patients. To test this claim against the alternative that the actual proportion of doctors is less than 90%, a random sample of 100 doctors resulted in 85 who recommended brand Z. The test statistic is approximately______.
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Solution: The solution consists of 2 pages
Deliverables: Word Document![](/images/msword.png)
Deliverables: Word Document
![](/images/msword.png)