Alex works as a health insurance agent for Medical Benefits Fund. The probability that he succeeds in selling an insurance policy to a given customer aged 25 or older is 0.45. On a given day, he interacts with 8 customers in this age range. Find the probability that he will sell. (a) at least one insurance policy on this day. (b) exactly 2 insurance policies on this day.

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
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Alex works as a health insurance agent for Medical Benefits Fund. The probability that he succeeds in selling an insurance policy to a given customer aged 25 or older is 0.45. On a given day, he interacts with 8 customers in this age range. Find the probability that he will sell. (a) at least one insurance policy on this day. (b) exactly 2 insurance policies on this day.
106 runners at a marathon event were asked through which media channels they received
information about the marathon. The summary shows that 52 runners answered "TV ad-
vertising", 64 answered "social media" and 14 answered "others". Find the probability that
a runner selected at random from the marathon received information about the marathon
through:
(a) both TV advertising and social media;
(b) only TV advertising.
Transcribed Image Text:106 runners at a marathon event were asked through which media channels they received information about the marathon. The summary shows that 52 runners answered "TV ad- vertising", 64 answered "social media" and 14 answered "others". Find the probability that a runner selected at random from the marathon received information about the marathon through: (a) both TV advertising and social media; (b) only TV advertising.
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