(i) (ii) (iii) Find P(Q). Find P(R). Are events Q and R exclusive? Justify your answer.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.2: Probability
Problem 61E: Balls in a Jar Jar A contains three red balls and four white balls. Jar B contains five red balls...
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Question

6

Two fair twelve-sided dice with sides marked 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 are
thrown, and the numbers on the sides which land face down are noted. Events Q and R
are defined as follows.
Q: the product of the two numbers is 24.
R: both of the numbers are greater than 8.
(i)
Find P(Q).
(ii)
Find P(R).
(iii)
Are events Q and R exclusive? Justify your answer.
Are events Q and R independent? Justify your answer.
(iv)
Christa takes her dog for a walk every day. The probability that they go to the park on
any day is 0.6. If they go to the park there is a probability of 0.35 that the dog will bark. If
they do not go to the park there is a probability of 0.75 that the dog will bark.
(i)
Find the probability that they go to the park on more than 5 of the next 7 days.
Find the probability that the dog barks on any particular day.
(ii)
bearbeW yd ni bebripri ed of
boto bho emon juoy dtod spulont expe
Transcribed Image Text:Two fair twelve-sided dice with sides marked 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 are thrown, and the numbers on the sides which land face down are noted. Events Q and R are defined as follows. Q: the product of the two numbers is 24. R: both of the numbers are greater than 8. (i) Find P(Q). (ii) Find P(R). (iii) Are events Q and R exclusive? Justify your answer. Are events Q and R independent? Justify your answer. (iv) Christa takes her dog for a walk every day. The probability that they go to the park on any day is 0.6. If they go to the park there is a probability of 0.35 that the dog will bark. If they do not go to the park there is a probability of 0.75 that the dog will bark. (i) Find the probability that they go to the park on more than 5 of the next 7 days. Find the probability that the dog barks on any particular day. (ii) bearbeW yd ni bebripri ed of boto bho emon juoy dtod spulont expe
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Follow-up Question

i find the same ans for part1 ,but the model ans is 0.159,is that model ans wrong?

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no 6 is the question at the lowest part,i know how to solve no 5,can u help to solve no 6?

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