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chloefoley 07/26/22 5:43 PM (2) Question 10, HW Score: 35.68%, 5.3.14-T 35.68 of 100 points Part 2 of 4 0 Points: 0 of 6 A

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chloefoley 07/26/22 5:43 PM (2) Question 10, HW Score: 35.68%, 5.3.14-T 35.68 of 100 points Part 2 of 4 0 Points: 0 of 6 A rare form of malignant tumor occurs in 11 children in a million, so its probability is I6 0.000011. Four cases of this tumor occurred in a certain town, which had 19,313 children. a. Assuming that this tumor occurs as usual, nd the mean number of cases in groups of 19,313 children. b. Using the unrounded mean from part (a), nd the probability that the number of tumor cases in a group of 19,313 children is 0 or 1. c. What is the probability of more than one case? (I. Does the cluster of four cases appear to be attributable to random chance? Why or why not? <:> a. The mean number of cases is .212 . (Type an integer or decimal rounded to three decimal places as needed.) b. The probability that the number of cases is exactly 0 or 1 is El. (Round to three decimal places as needed.)

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