Two hundred adults over the age of 18 were polled regarding their use of various social media websites; the data are displayed in the Venn diagram shown here. Here A = the event that the person uses website A and B = the event that the person uses website B. A person who participated in the survey is randomly chosen. Answer parts a) through d) below. a) Find the probability that the person uses website B. The probability is (Simplify your answer.) b) Find the probability that the person uses website B and not website A. The probability is (Simplify your answer.) c) Find the probability that the person uses website B or website A. The probability is (Simplify your answer.) A 44 B 4 61

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Two hundred adults over the age of 18 were polled regarding their use of various social media websites; the data are
displayed in the Venn diagram shown here. Here A = the event that the person uses website A and B = the event that the
person uses website B. A person who participated in the survey is randomly chosen. Answer parts a) through d) below.
a) Find the probability that the person uses website B.
The probability is
(Simplify your answer.)
b) Find the probability that the person uses website B and not website A.
The probability is
(Simplify your answer.)
c) Find the probability that the person uses website B or website A.
The probability is
(Simplify your answer.)
d) Find the odds against each event in parts a) through c).
The odds against the person using website B are
(Simplify your answers. Type whole numbers.)
The odds against the person using website B and not website A are
(Simplify your answers. Type whole numbers.)
:0
The odds against the person using website B or website A are :0
(Simplify your answers. Type whole numbers.)
A
44
B
4
61
Transcribed Image Text:Two hundred adults over the age of 18 were polled regarding their use of various social media websites; the data are displayed in the Venn diagram shown here. Here A = the event that the person uses website A and B = the event that the person uses website B. A person who participated in the survey is randomly chosen. Answer parts a) through d) below. a) Find the probability that the person uses website B. The probability is (Simplify your answer.) b) Find the probability that the person uses website B and not website A. The probability is (Simplify your answer.) c) Find the probability that the person uses website B or website A. The probability is (Simplify your answer.) d) Find the odds against each event in parts a) through c). The odds against the person using website B are (Simplify your answers. Type whole numbers.) The odds against the person using website B and not website A are (Simplify your answers. Type whole numbers.) :0 The odds against the person using website B or website A are :0 (Simplify your answers. Type whole numbers.) A 44 B 4 61
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