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In a survey of a group of people it was found that 25% were smokers and drinkers, 10% were smokers but not drinkers, and 35% were drinkers but not smokers. What percent in the survey were either smokers or drinkers or both?

In a survey of a group of people it was found that 25% were smokers and drinkers, 10% were smokers but not drinkers, and 35% were drinkers but not smokers. What percent in the survey were either smokers or drinkers or both?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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6.100 In a survey of a group of people it was found that 25% were smokers and drinkers, 10% were smokers but not drinkers, and 35% were drinkers but not smokers. What percent in the survey were either smokers or drinkers or both? 6.101 Acme electronics manufactures MP3 players at three locations. The plant at Omaha manufactures 50% of the MP3 players and 1% are defective. The plant at Memphis manufactures 30% and 2% at that plant are defective. The plant at Fort Meyers manufactures 20% and 3% at that plant are defective. If an MP3 player is selected at random, what is the probability that it is defective? 6.102 Refer to Problem 6.101. An MP3 player is found to be defective. What is the probability that it was manufactured in Fort Meyers?
Transcribed Image Text:6.100 In a survey of a group of people it was found that 25% were smokers and drinkers, 10% were smokers but not drinkers, and 35% were drinkers but not smokers. What percent in the survey were either smokers or drinkers or both? 6.101 Acme electronics manufactures MP3 players at three locations. The plant at Omaha manufactures 50% of the MP3 players and 1% are defective. The plant at Memphis manufactures 30% and 2% at that plant are defective. The plant at Fort Meyers manufactures 20% and 3% at that plant are defective. If an MP3 player is selected at random, what is the probability that it is defective? 6.102 Refer to Problem 6.101. An MP3 player is found to be defective. What is the probability that it was manufactured in Fort Meyers?
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