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Mail-TiffanyChantha Heinle Learning Cent My Communities on SecureWEB Login > Spring 2018-1680.330 Quiz: Chapter 5 Review Quiz This Question: 1 pt 16 A grocery bag can be classified as ether paper or plastic suppose that 88% of grocery bags are classif ed as pastc (a) Two grocery bags are chosen at random. What is the probability that both grocery bags are plastic? (b) Six grocery bags are chosen at random. What is the probability that all six grocery bags are plastic? (c) What is the probability that at least one of six randomly selected grocery bags is paper? Would it be unusual that at least Cl Two gtecery bags aso h ao p The probability is (Round to four decimal places as needed (b) Six grocery bags are chosen at random What is the probability that all six grocery bags are plastic? The probability is (Round to four decimal places as needed) (e) What is the probabilty that at least one of six randomly selected grocery bags is paper? The probability is Round to four decimal places as needed) Would t be unusual that at least one of six randomly selected grocery bags is paper? 11 would that at loasl one of Sox randomly selected grocery bags is paper Enter your answer in each ot the answer boxos O Type here to search 34 2 3 Tab CapsLk AIt

Explanation / Answer

a) P(both are plastic) = 0.88*0.88 = 0.7744

b) P(All 6 are plastic) = 0.88^6 = 0.4644

c) P( At least one is paper)

Use Excel function

1-BINOM.DIST(0,6,0.12,TRUE)

= 0.5356

No, it is not unusual

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