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Chrome File EditView History Bookmarks People Window Help https://www.mathd QMB3003 CMB-18Fall 00095 Homework: Problem Set #5 core: 0 of 1 pt Bus Econ 8.4.23 A survey finds customers are charged incorrectly for 4 out of every 10 tems Suppose a customer purchases 10 dems. Find the probability that the customer Do Homework- Oliver Milon 48968731 Oliver Milon&1 9/26/18 6 18 of 24 (13 complete)I Hw Score: 41.38%, 121 Question He is charged incorrecty on at least 3 items The probability that the customer is charged incomectly on at least 3 terms is (Do not round until the final answer. Then round to four decimal places as needed) Enter your answer in the answer box and then click Check Answer All parts showing Clear Al MacBook Air

Explanation / Answer

Probability for incorrect charging = 4/10 = 0.4

Probability of correct charging will be 1-0.4 = 0.6

Probability of all items correctly charged = 0.6^10 = 0.0060466

Probability of 2 items = 2/10

Probability of atleast 3 means 3 or = 1-2/10

=8/10

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