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Safari File Edit View History Bookmarks Window Help 18%, D Mon 1.44 AMQ'E MATH 227: Statistics Mon Wed. 7:00 to 9:05 pm) RENDA ACUINA & Homework: Homework #9 (Due Monday, October 23, at 7:00 p.m.) Savs Score: 0 of 2 pts 1of7(7complete) score: 8824%, 15 of 17 pts 4.4.27 In a market research survey of 2232 motorists, 255 said that they made an obscene gesture in the previous month. Complete parts (a) and tbj below a 1 of the surveyed motorists is randomly selected. what is te probabily t at this motorist did not make an obscene gesture in the previous month? The probability is 0.8858 (Round to four decimal places as needed.) b. If 40 of the surveyed motorists are randomly selected without replacement, what is the this case? Select the correct choice below and ill in the answer box wihin your choice (Round to four decimal places as needed.) s probability that none of tham made an obscene gesture in the previous mont? Should the 5% quidine be appled i The probability is. The 5% guideline should be applied in this case. The probability is The 5% guideline shouldnt be appled in this case. A. O B. answorfs) and then click Check Answer Clear All Click to select and enter your

Explanation / Answer

Ans to part a is correct

Ans to part b

The prob is 0.0078 ,5% guideline should be applied

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