There are 10 rolls of film in box and 3 are defective

Question # 00767500 Posted By: TYRONE Updated on: 06/25/2020 11:56 AM Due on: 07/06/2020
Subject Mathematics Topic General Mathematics Tutorials:
Question
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"1- A study of 200 computer services firms revealed these incomes after taxes:

Income After Taxes Number of Firms
Under $1 million 102
$1 million up to $20 million 61
$20 million and more 37

What is the probability that a particular firm selected has $1 million or more in income after taxes?

2- Routine physical examinations are conducted annually as part of a health service program. It was discovered that 8% of the employees needed corrective shoes, 15% needed major dental work and 3% needed both corrective shoes and major dental work. What is the probability that an employee selected at random will need either corrective shoes or major dental work?

3- A survey of top executives revealed that 35% of them regularly read Time magazine, 20% read Newsweek and 40% read U.S. News & World Report. Ten percent read both Time and U.S. News & World Report. What is the probability that a particular top executive reads either Time or U.S. News & World Report regularly?

4- There are 10 rolls of film in box and 3 are defective. 2 rolls are to be selected without replacement. What is the probability of selecting a defective roll followed by another defective roll?

5- Giorgio offers the person who purchases an 8 ounce of Allure twee free gifts, either an umbrella, a 1 ounce bottle of Midnight, a feminine shaving kit, a raincoat or a pair of rain boots. If you purchased Allure what is the probability you selected at random an umbrella and a shaving kit in that order?

6- A board of directors consists of 8 men and 4 women. A four-member search committee is to be chosen at random to recommend a new company president. What is the probability that all 4 members of the search committee will be women?

 

 

 

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