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mathematics
december 2019
22

Mathematics Questions and Answers December 22, 2019

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The proportions of families with various numbers of children age 18 or under in a small town are given in the following table. One family is randomly selected from this town. X O 1 2 3 4 5 P(x) .10 .40 .13 .10 .22 05 Find the probability that the selected family has at least 3 children age 18 or under

Based on this question: https://www.coursehero.com/tutors-problems/Statistics-and-Probability/10900509-How-do-you-create-dummy-variables-using-R-I-am-trying-to-answer-quest/ Looking for answers to 8 and 9

4. For a test of independence between two variables, you have obtained a calculated chi-square of 4.2345. If the critical chi-square value is 5.2654, you will reject Ho. True or False

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