Suppose that 55% of all adults regularly consume coffee, 45% regularly consume carbonated soda, and 70% regularly consume at least one of these two types of drinks. 2.1 What is the probability that a randomly selected adult regularly consumes both coffee and soda? 2.2 What is the probability that a randomly selected adult doesn’t regularly consume at least one of these two products? 2.3 What is the probability that a randomly selected adult regularly consumes coffee but does not regularly consume soda?
Suppose that 55% of all adults regularly consume coffee, 45% regularly consume carbonated soda, and 70% regularly consume at least one of these two types of drinks. 2.1 What is the probability that a randomly selected adult regularly consumes both coffee and soda? 2.2 What is the probability that a randomly selected adult doesn’t regularly consume at least one of these two products? 2.3 What is the probability that a randomly selected adult regularly consumes coffee but does not regularly consume soda?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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Question
- Suppose that 55% of all adults regularly consume coffee, 45% regularly consume carbonated soda, and 70% regularly consume at least one of these two types of drinks.
2.1 What is the probability that a randomly selected adult regularly consumes both coffee and soda?
2.2 What is the probability that a randomly selected adult doesn’t regularly consume at least one of these two products?
2.3 What is the probability that a randomly selected adult regularly consumes coffee but does not regularly consume soda?
Expert Solution
Step 1
event
A : consumes coffee
B : consumes carbonated soda
P(A) = 0.55
P(B) = 0.45
P(AB) = 0.70
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