A survey of used car salesmen revealed the following information: 69 wear white patent-leather shoes 75 wear plaid trousers 40 wear both of these things 15 wear neither of these things a. How many are survey? b. How many wearwhite patent-leather shoes but don't wear plaid trousers? c. How many do not wear white patent-leather shoes?

1) The question screenshot has been attached down below answer step-by-step ques 2 a and b.

A university administrator requested a breakdown of travel expenses for faculty to attend various professional meetings. It was found that 31% of the travel expenses was spent for transportation costs, 25% was spent for lodging, 17% was spent for food, and 20% was spent for conference registration fees; the remainder was spent for miscellaneous costs.a. Construct a pie chart.b. Construct a bar chart.

In a survey of 359 people, a pet food manufacturer found that 23 owned a dog but not a cat, 140 owned a cat but not a dog, and 87 owned neither a dog or a cat. (a) How many owned both a cat and a dog? (b) How many owned a dog? Additional Materials O eBook

Use the following results from a test for marijuana use, which is provided by a certain drug testing company. Among 141 subjects with positive test results, there are 23 false positive results. Among 157 negative results, there are 4 false negative results. Complete parts (a) through (c). (Hint: Construct a table.) a. How many subjects were included in the study? The total number of subjects in the study was

Use the following results from a test for marijuana use, which is provided by a certain drug testing company. Among 141 subjects with positive test results, there are 30 false positive results. Among 155 negative results, there are 3 false negative results. Complete parts (a) through (c). (Hint: Construct a table.) a. How many subjects were included in the study? The total number of subjects in the study was b. How many subjects did not use marijuana? A total of subjects did not use marijuana. c. What is the probability that a randomly selected subject did not use marijuana? The probability that a randomly selected subject did not use marijuana is (Do not round until the final answer. Then round to three decimal places as needed.)

. A national polling organization wishes to estimate the percentage of all teenagers who believes Social Security would be there for them. The organization surveys a random sample of 1500 teenagers and 37% of this sample says that they believe Social Security would be there for them in this survey what is the population of interest. A. The 1500 teenagers who were surveyed. B. Teenagers who believe social security will be there for them C. All teenagers. D. The people in the sample who believe social security will be there for them.

A polling organization contacts 1581 teenagers who are 16 to 19 years of age and live in North America and ask whether or not they had driven a car on a highway recently. What is the population in the study? A. Teenagers who are 16 to 19 years of age B. Teenagers who are 16 to 19 years of age and live in North America C. Teenagers who are 16 to 19 years of age and have driven a car in a highway D. Teenagers who are 16 to 19 years of age and live in North America and driven a car in a highway What is the sample in the study? A. Teenagers who are 16 to 19 years of age and live in North America B. The 1581 who are 16 to 19 years of age and have driven a car in the highway C.The 1581 who are 16 to 19 years of age  and live in North America D. The 1581 who are 16 to 19 years of age

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Dr. A. Ventura is interested in determining what kinds and how many pets people own in Bakersfield. He stands outside Petco and asks people what kind of pet they own. This is the result of his survey: dog=1; cat=2; bird=3; reptile=4; fish=5; other=6 1,1,2,2,2,1,1,3,2,3,1,1,1,2,2,4,4,2,2,1,1,1,5,4,3,4,1,1,1,2,2,6,1,1,2,2,1,2,1,2,6,3,4,5