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Text Messages via Cell Phones Thirty-five percent of
Chapter 4, Problem 9E(choose chapter or problem)
QUESTION:
Problem 9E
Text Messages via Cell Phones Thirty-five percent of people who own cell phones use their phones to send and receive text messages. Choose 4 cell phone owners at random. What is the probability that none use their phones for texting?
Questions & Answers
QUESTION:
Problem 9E
Text Messages via Cell Phones Thirty-five percent of people who own cell phones use their phones to send and receive text messages. Choose 4 cell phone owners at random. What is the probability that none use their phones for texting?
ANSWER:
Solution :
Step 1 of 1:
Our goal is:
We need to find the probability that none use their phones.
Let denotes the event that a person uses their cell phone to send and receive text messages.
Then