(a) (b) From a survey of 100 city residents, it was found that 30 read the daily new evening news, and 22 do both. What is the probability that a resident sele the following? (hint: make tables) Reads the daily paper but does not watch the evening news? Does neither? If the probability distribution for the random variable X is given in the tabl 1.. V2

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section9.3: Binomial Probability
Problem 2E: If a binomial experiment has probability p success, then the probability of failure is...
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(b)
From a survey of 100 city residents, it was found that 30 read the daily newspaper, 60 watch the
evening news, and 22 do both. What is the probability that a resident selection at random does
the following? (hint: make tables)
Reads the daily paper but does not watch the evening news?
Does neither?
If the probability distribution for the random variable X is given in the table, what is the expected
value of X? 7' 4
X1
Pi
-2
0.1
-1
0.2
0
0.4
1
0.2
2
0.1
Transcribed Image Text:(b) From a survey of 100 city residents, it was found that 30 read the daily newspaper, 60 watch the evening news, and 22 do both. What is the probability that a resident selection at random does the following? (hint: make tables) Reads the daily paper but does not watch the evening news? Does neither? If the probability distribution for the random variable X is given in the table, what is the expected value of X? 7' 4 X1 Pi -2 0.1 -1 0.2 0 0.4 1 0.2 2 0.1
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