14. In a market research survey of 2006 ​motorists, 281 said that they made an ...

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14. In a market research survey of 2006 ​motorists, 281 said that they made an obscene gesture in the previous month. Complete parts​ (a) and​ (b) below.

a. If 1 of the surveyed motorists is randomly​ selected, what is the probability that this motorist did not make an obscene gesture in the previous​ month?

The probability is______ (Round to four decimal places as​ needed.)

. If 45 of the surveyed motorists are randomly selected without​ replacement, what is the probability that none of them made an obscene gesture in the previous​ month? Should the​ 5% guideline be applied in this​ case? Select the correct choice below and fill in the answer box within your choice. ​(Round to four decimal places as​ needed.)

    • 5 years ago
    5% guideline not required in this case since there ...
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