In a class of 87 people, 27 wear glasses, 32 are blonde, and 38 are neither blonde or wear glasses.
Question: The probability that a person responds to a mailed questionnaire is 0.4. How many questionnaires should be mailed if you want to be reasonably certain that at least 100 will be returned?
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See Answer: The answer consists of 4 pages
Solution Format: Word Document![](/images/msword.png)
Solution Format: Word Document
![](/images/msword.png)