The table below describes the number of adults in groups of five snores while sleeping. x P(x) 0 0.176 1 0.377 2 0.291 3 0.116 4 0.035 5 0.005 a)  Find the probability of getting exactly 4 adults who snore among 5 adults.   b)  Find the probability of getting 4 or more adults who snore among 5 adults.   c)  Which probability is relevant when determining whether 4 is a significantly high number of adults who snore while sleeping? Enter one of the value from question a) or b) to answer this question.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section: Chapter Questions
Problem 14T: An unbalanced coin is weighted so that the probability of heads is 0.55. The coin is tossed ten...
Question

The table below describes the number of adults in groups of five snores while sleeping.

x P(x)
0 0.176
1 0.377
2 0.291
3 0.116
4 0.035
5 0.005

a)  Find the probability of getting exactly 4 adults who snore among 5 adults.

 

b)  Find the probability of getting 4 or more adults who snore among 5 adults.

 

c)  Which probability is relevant when determining whether 4 is a significantly high number of adults who snore while sleeping? Enter one of the value from question a) or b) to answer this question.

 

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