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A recent study of young executives showed that 30 percent run, 20 percent bike and 12 percent do both. What is the percent of young executives who run or bike? 1.

A recent study of young executives showed that 30 percent run, 20 percent bike and 12 percent do both. What is the percent of young executives who run or bike? 1.

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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Please please solve these 4 questions 

1. A recent study of young executives showed that 30 percent run, 20 percent bike and 12 percent do both. What is the percent of young executives who run or bike? 1. 2. A survey of publishing jobs indicates that 92 percent are completed on time. Assume that three jobs are selected for study. a. What is the probability they are all completed on time? b.What is the probability that at least one was not completed on time? b. 3. Today's local newspaper lists 20 stocks "of local interest." Of these stocks, ten increased, five decreased and five remained unchanged yesterday. If we decide to buy two of the stocks, what is the likelihood that both increased yesterday? 3. 4. Six employees of a marketing firm had effectiveness ratings as follows: 0.72, 0.46, 0.59, 0.64, 0.81 and 0.76. Find the probability of selecting an employee with the indicated effectiveness rating. a. Greater than 0.75. a.
Transcribed Image Text:1. A recent study of young executives showed that 30 percent run, 20 percent bike and 12 percent do both. What is the percent of young executives who run or bike? 1. 2. A survey of publishing jobs indicates that 92 percent are completed on time. Assume that three jobs are selected for study. a. What is the probability they are all completed on time? b.What is the probability that at least one was not completed on time? b. 3. Today's local newspaper lists 20 stocks "of local interest." Of these stocks, ten increased, five decreased and five remained unchanged yesterday. If we decide to buy two of the stocks, what is the likelihood that both increased yesterday? 3. 4. Six employees of a marketing firm had effectiveness ratings as follows: 0.72, 0.46, 0.59, 0.64, 0.81 and 0.76. Find the probability of selecting an employee with the indicated effectiveness rating. a. Greater than 0.75. a.
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