? online.pcc.edu My Courses Quizzes M.. Chapter 14 P https //onlin.. ht https Jl

Question

? online.pcc.edu My Courses Quizzes M.. Chapter 14 P https //onlin.. ht https Jlonin. 1726 -StatisticsI Discussions Assignments Quizzes Grades Classlist Help', MyMathLab Link Maddox: Attempt 2 044/ own cell phone over 65 NOT own cell phone A population consist of 25% under the age of 18, 45% in age of 18 to 65 and the rest over the age of 65. In the age group 18 and under 65% own a cell phone, while in the 18 to 65 group 79% own a cell phone. The over the age of 65 group 44% own a cell phone. A person is over the age of 65. What is the probability this person does not own a cell phone? Write your answer as the exact decimal if the number is less than or equal to the ten- thousandths place, or round to the ten-thousandths place if the decimal is longer. ?0

Explanation / Answer

probability that a person over age of 65 does not own a phone = 1- 0.44
= 0.56   { see the branch from over 65 }

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