NBC News reported on May 2, 2013, that 15 % children in the United States have a food allergy of some sort. Consider selecting a random sample of 18 children and let X be the number in the sample who have a food allergy. (Round your probabilities to three decimal places.)What is the probability that at most 3 children have a food allergy? (Round your probabilities to three decimal places.) (b) What is the probability that less than 3 children have a food allergy? (Round your probabilities to three decimal places.) (c) What is the probability that exactly 3 children have a food allergy? (Round your probabilities to three decimal places.) (d) What is the probability that at least 4 children have a food allergy? (Round your probabilities to three decimal places.) (e) What is the probability that between 1 and 3, inclusive, children have a food allergy? (Round your probabilities to three decimal places.)
NBC News reported on May 2, 2013, that 15 % children in the United States have a food allergy of some sort. Consider selecting a random sample of 18 children and let X be the number in the sample who have a food allergy. (Round your probabilities to three decimal places.)What is the probability that at most 3 children have a food allergy? (Round your probabilities to three decimal places.) (b) What is the probability that less than 3 children have a food allergy? (Round your probabilities to three decimal places.) (c) What is the probability that exactly 3 children have a food allergy? (Round your probabilities to three decimal places.) (d) What is the probability that at least 4 children have a food allergy? (Round your probabilities to three decimal places.) (e) What is the probability that between 1 and 3, inclusive, children have a food allergy? (Round your probabilities to three decimal places.)
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
Related questions
Question
NBC News reported on May 2, 2013, that 15 % children in the United States have a food allergy of some sort. Consider selecting a random sample of 18 children and let X be the number in the sample who have a food allergy. (Round your probabilities to three decimal places.)What is the probability that at most 3 children have a food allergy? (Round your probabilities to three decimal places.)
(b)
What is the probability that less than 3 children have a food allergy? (Round your probabilities to three decimal places.)
(c)
What is the probability that exactly 3 children have a food allergy? (Round your probabilities to three decimal places.)
(d)
What is the probability that at least 4 children have a food allergy? (Round your probabilities to three decimal places.)
(e)
What is the probability that between 1 and 3, inclusive, children have a food allergy? (Round your probabilities to three decimal places.)
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