A survey of couples in California showed the following. The probability that a wife cheats is...
A survey of couples in California showed the following. The probability that a wife cheats is .3, the probability that a husband cheats is .8, while the probability that both cheats is .24. Are the events of the wife cheating on the husband independent? a. Find the probability that the husband cheats, given the wife cheats b. is this equal to the probability that the husband heats c. Are the events of the wife cheating and the husband cheating independent?
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A survey of couples in California showed the following. The
probability that a wife cheats is...
During the past five years the probability that a California consumer has bought a burrito (event...
During the past five years the probability that a California consumer has bought a burrito (event B) is 0.70 and the probability that a California consumer has bought a Honda (event H) is 0.10. The probability that a California consumer has bought both a burrito and and Honda in the past five years is 0.05. Are the purchases of burritos and Hondas in the past five years among California consumers independent events? No, they are not independent events. The reason...
A survey showed that 8% of Internet users age 18 and older report keeping a blog....
A survey showed that 8% of Internet users age 18 and older report keeping a blog. Referring to the 18–29 age group as young adults, the survey showed that for bloggers 54% are young adults and for nonbloggers 24% are young adults (Pew Internet & American Life Project, July 19, 2006). a. Develop a joint probability table for these data with two rows (bloggers vs. non-bloggers) and two columns (young adults vs. older adults). b. What is the probability that...
3. A guidance counselor at a middle school collected the following information regarding the employment status...
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A random sample of adult drivers was obtained, 53% men and 46% women. A survey showed...
A random sample of adult drivers was obtained, 53% men and 46% women. A survey showed that 57% of the drivers rely on GPS systems. 32% of the drivers are men and use GPS while 24% of the drivers are women and use GPS. Suppose a person included in this survey is randomly selected. a.) Suppose the person selected is a man. What is the probability that he relies on a GPS system? Your answer should have at least 3...
o Probability Rules 10. The Committee on Student Life did a survey of 417 students regarding...
o Probability Rules 10. The Committee on Student Life did a survey of 417 students regarding satisfaction with Student Government and class standing. The results follow: Freashman Sophomore Junion Total Not Satisfied Neutral Satisfied23 Total 17 61 32 3816 A3 65 80 0311A98 16 17 101 Assume the sample represents the entire population o students. Find the probability that a student selected at random is: (a) Satisfied (b) Satisfied, given the student is a Senior (c) Neutral (d) Neutral and...
2. (15 pts) In a large city 80% of married couples are known to own a...
2. (15 pts) In a large city 80% of married couples are known to own a more than one vehicle and 25% own more than one home 20% own more than one vehicle and more than one home. For a randomly selected married couple from that city, define the events: V = Own more than one vehicle H = Own more than one home A. Draw a Venn diagram that shows the events and Hand add probabilities to the diagram...
(15 pts) In a large city 80% of married couples are known to own a more...
(15 pts) In a large city 80% of married couples are known to own a more than one vehicle and 25% own more than one home. 20% own more than one vehicle and more than one home. For a randomly selected married couple from that city, define the events: V = Own more than one vehicle H=Own more than one home A. Draw a Venn diagram that shows the events and H and add probabilities to the diagram based on...
A random sample of adult drivers was obtained, 55% men and 43% women. A survey showed...
A random sample of adult drivers was obtained, 55% men and 43% women. A survey showed that 57% of the drivers rely on GPS systems. 32% of the drivers are men and use GPS while 21% of the drivers are women and use GPS. Suppose a person included in this survey is randomly selected. a) Suppose the person selected is a man. What is the probability that he relies on a GPS system? Your answer should have at least 3...
Analyze the conditional probability P (B/A), for each scenario given in the first column and thus...
Analyze the conditional probability P (B/A), for each scenario given in the first column and thus dlassify them as dependent and independent events under 2 column headings. Scenario 1 :'A, be the event that 70% of the children like chocolate cupcakes and B' be the event that 25% like lemon cupcakes, 30% of children like both. Scenario 2 :B' be the event that 60% of the players are selected for offensive side and 'A' be the event that 40% are...
Does it pay to ask for a raise? A national survey of heads of households showed...
Does it pay to ask for a raise? A national survey of heads of households showed the percentage of those who asked for a raise and the percentage who got one. According to the survey, of the men interviewed, 16% had asked for a raise and 55% of the men who had asked for a raise received the raise. If a man is selected at random from the survey population of men, find the following probabilities. (Enter your answers to...
3. A guidance counselor at a middle school collected the following information regarding the employment status of married couples within his Number of Children under 18 Years Old Worked 0 1 2 or More Total Husband Only L 172 79 174 425 Wife Only 94 17 15 126 Both Spouses 522 257 370 1149 Total 788 353 559 1700 For a-h write the probability statement, fraction, round to the fourth decimal place and state your solution in a complete sentence....
o Probability Rules 10. The Committee on Student Life did a survey of 417 students regarding satisfaction with Student Government and class standing. The results follow: Freashman Sophomore Junion Total Not Satisfied Neutral Satisfied23 Total 17 61 32 3816 A3 65 80 0311A98 16 17 101 Assume the sample represents the entire population o students. Find the probability that a student selected at random is: (a) Satisfied (b) Satisfied, given the student is a Senior (c) Neutral (d) Neutral and...
2. (15 pts) In a large city 80% of married couples are known to own a more than one vehicle and 25% own more than one home 20% own more than one vehicle and more than one home. For a randomly selected married couple from that city, define the events: V = Own more than one vehicle H = Own more than one home A. Draw a Venn diagram that shows the events and Hand add probabilities to the diagram...
(15 pts) In a large city 80% of married couples are known to own a more than one vehicle and 25% own more than one home. 20% own more than one vehicle and more than one home. For a randomly selected married couple from that city, define the events: V = Own more than one vehicle H=Own more than one home A. Draw a Venn diagram that shows the events and H and add probabilities to the diagram based on...
Analyze the conditional probability P (B/A), for each scenario given in the first column and thus dlassify them as dependent and independent events under 2 column headings. Scenario 1 :'A, be the event that 70% of the children like chocolate cupcakes and B' be the event that 25% like lemon cupcakes, 30% of children like both. Scenario 2 :B' be the event that 60% of the players are selected for offensive side and 'A' be the event that 40% are...
Does it pay to ask for a raise? A national survey of heads of households showed the percentage of those who asked for a raise and the percentage who got one. According to the survey, of the men interviewed, 16% had asked for a raise and 55% of the men who had asked for a raise received the raise. If a man is selected at random from the survey population of men, find the following probabilities. (Enter your answers to...
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