Mathematics, 06.08.2021 19:50 dv2200342
In a large city, 72% of the people are known to own a cell phone, 38% are known to own a pager, and 29% own both a cell phone and a pager. Let A be the event that they own a cell phone and B be the event that they own a pager.
a. What proportion of people in this large city own either a cell phone or a pager?
b. What is the probability that a randomly selected person from this city owns a pager, given that the person owns a cell phone?
c. Are the events "owns a pager" and "owns a cell phone" independent?
Answers: 3
Mathematics, 21.06.2019 19:20, harmonytaylor13
Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.
Answers: 1
Mathematics, 21.06.2019 20:00, guccim5971
Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books
Answers: 1
In a large city, 72% of the people are known to own a cell phone, 38% are known to own a pager, and...
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