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Mathematics, 05.05.2020 16:30 coleman310
2) Seventy-five percent of U. S. mothers with school-age children choose fast food as a dining
option for their families one to three times a week. You randomly select ten U. S. mothers with
school-aged children and ask whether they choose fast food as a dining option for their families
one to three times a week. The random variable represents the number of U. S. mothers who
choose fast food as a dining option for their families one to three times a week.
(a) Find the mean, variance, and standard deviation for the binomial distribution. (6 points)
(b) If ten mothers chose fast food as a dining option for their families one to three times a week,
would this be considered an unusual event? Be sure to justify your answer using mathematics.
(4 points)
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Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list
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