. Newspapers Thirty-four percent of U.S. adults have very little confidence in newspapers. You randomly select eight U.S. adults. Find the probability that the number of U.S. adults who have very little confidence in newspapers is (a) exactly six, (b) at least four, and (c) less than five. (Source: Gallup)
. Newspapers Thirty-four percent of U.S. adults have very little confidence in newspapers. You randomly select eight U.S. adults. Find the probability that the number of U.S. adults who have very little confidence in newspapers is (a) exactly six, (b) at least four, and (c) less than five. (Source: Gallup)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
I don’t understand number 19
Transcribed Image Text:"books/9780134684291/pageid/233
1 through 40 without replacement. You choose six numbers and purchase
a lottery ticket. The random variable represents the number of matches on
your ticket to the numbers drawn in the lottery.
18. Women Who Are Mothers A survey found that 42% of women ages 18
to 33 are mothers. Eight women ages 18 to 33 are randomly selected. The
random variable represents the number of women ages 18 to 33 who are
mothers.
ource,Pew Research Center)
Finding Binomial Probabilities In Exercises 19-26, find the indicated
probabilities. If convenient, use technology or Table 2 in Appendix B.
19. Newspapers Thirty-four percent of U.S. adults have very little confidence
in newspapers. You randomly select eight U.S. adults. Find the probability
that the number of U.S. adults who have very little confidence in newspapers
is (a) exactly six, (b) at least four, and (c) less than five. (Source: Gallup)
20. Drone Use in Police Work Thirty-six percent of U.S. adults favor the use
of unmanned drones by police agencies. You randomly select nine U.S.
adults. Find the probability that the number of U.S. adults who favor the use
of unmanned drones by police agencies is (a) exactly four, (b) at least two,
and (c) less than six. (Source: Rasmussen Reports)
21. Flu Shots Fifty-six percent of U.S. adults say they intend to get a flu shot.
You randomly select 10 U.S. adults. Find the probability that the number of
U.S. adults who intend to get a flu shot is (a) exactly four, (b) at least five,
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