QMTH 205 Online Fall 17 Antonio Marvel 10/1/17 917 PM Homework: Chapter 12 Homew
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QMTH 205 Online Fall 17 Antonio Marvel 10/1/17 917 PM Homework: Chapter 12 Homework Score: 0 of 1 pt 2 of 6 (3 HW Score: 50%, 3 of 6 pts Section 12.3 Exercise 7 Question Help i A recent study conducted by a health statistics center found that 24% of households in a certain country had no landline service. This raises concerns about the accuracy of certain surveys, as they depend on random-digit dialing to households va landlines. Pick five households from this country at random, Complete parts a) a) What is the probability that all five of them have a landline? (Round to three decimal places as needed )Explanation / Answer
The probability that a household has a landline = 1 - 0.24 = 0.76
=> The probability that all five households have landline = 0.765 = 0.254
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