Forty six percent of the employees in a company have managerial positions, and 57 percent of...
Forty six percent of the employees in a company have managerial positions, and 57 percent of the employees in the company have MBA degrees. Also, 29 percent of the managers have MBA degrees. Using the probability formulas, find the proportion of employees who either have MBAs or are managers. (Round your answer to 2 decimal places.)
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Forty six percent of the employees in a company have managerial
positions, and 57 percent of...
Please post a clear explanation of the answer! 1. Fifty percent of the employees in a...
Please post a clear explanation
of the answer!
1. Fifty percent of the employees in a company have managerial positions, and forty percent of the employees in the company have MBA degrees. Also, seventy percent of the managers have MBA degrees. Find the proportion of employees who are managers and have MBA degrees. And then find the proportion of MBAs who are managers. (2 points)
Research has revealed that forty percent of Internet company employees have stock options in their companies....
Research has revealed that forty percent of Internet company employees have stock options in their companies. Consider a random sample of 12 employees from an Internet company, (a) What is the probability that at least 7 employees have stock options in the company? What is the mean number of Internet company employees who have stock options in their companies, in a sample of 12 employees? What is the probability that at most 7 employees will not have stock in the...
Probability 13. A particular bank is interested in estimating the difference between the average Mastercard debt...
Probability
13. A particular bank is interested in estimating the difference between the average Mastercard debt at two of its branches. Using independent samples from two branches the 90% confidence interval for the difference between the means debt was calculated to be -S5.43 with 90% confidence that: H1 H2-$64.78. We could conclude from this A) branch 2 customers have more avera ge debt than customers from branch B) branch 1 customers have more average debt than branch 2 customers C)...
Records of a company show that 20% of the employees have only a high school diploma:...
Records of a company show that 20% of the employees have only a high school diploma: 70% have bachelor degrees; and 10% have graduate degrees. Of those with only a high school diploma, 10% hold management positions, whereas, of those having bachelor degrees, 40% hold management positions. Finally, 80% of the employees who have graduate degrees hold management positions. Create a tree diagram representing the above situation. (2 points) What percentage of employees hold management positions? (2 points) Given that...
Twenty-six percent of U.S. employees who are late for work blame oversleeping. You randomly select four U.S. employees...
Twenty-six percent of U.S. employees who are late for work blame oversleeping. You randomly select four U.S. employees who are late for work and ask them whether they blame oversleeping. The random variable represents the number of U.S. employees who are late for work and blame oversleeping. Find the mean of the binomial distribution. u= (Round to the nearest hundredth as needed.) Find the variance of the binomial distribution. o2 = N (Round to the nearest hundredth as needed.) Find...
Twenty-six percent of couples who plan to marry this year are planning destination weddings.
Twenty-six percent of couples who plan to marry this year are planning destination weddings. Assume the variable is binomial. In a random sample of 9 couples who plan to marry, find the probability of the following. Round the answers to four decimal places.Source: Time magazine.Part 1 out of 3Fewer than 3 couples will have a destination weddingP (fewer than 3 couples will have a destination wedding) =
A study reported that the recent turnover rate (the percent of employees who are replaced) for...
A study reported that the recent turnover rate (the percent of employees who are replaced) for a particular type of industry in the United States was 50%. A local company in this industry is concerned about high turnover. Suppose that a random sample of 100 employees in this company showed that 59 left for other employment recently. The company wants to determine if the turnover rate of the population of employees at this local company is higher than the industry...
A transit authority offers discount rates to companies that have at least 30 employees who use...
A transit authority offers discount rates to companies that have at least 30 employees who use public transportation to get to work. There are 542 employees in a company. What is the probability that the company will not get the discount? Can the normal distribution be used to approximate the binomial distribution? What is the probability that the company will not get the discount? (Round to four decimal places)
(7 points) Suppose a recent random sample of employees nationwide that have a 401(k) retirement plan...
(7 points) Suppose a recent random sample of employees nationwide that have a 401(k) retirement plan found that 20% of them had borrowed against it in the last year. A local company is interested in assessing whether this proportion adequately describes the borrowing behavior of their employees. They take a random sample of 150 employees and find that 17 had borrowed from their plan. Conduct a hypothesis test to investigate whether the borrowing rate at this company is less than...
Twenty-five percent of the employees of a large company are minorities. A random sample of 9...
Twenty-five percent of the employees of a large company are minorities. A random sample of 9 employees is selected. Round answers to the nearest thousandths (3 decimal places). What is the probability that the sample contains exactly 4 minorities? a. (1 point) What is the probability that the sample contains fewer than 2 minorities? b. (1 point) What is the probability that the sample contains exactly 3 non-minorities? C. (1 point) What is the expected number of minorities in the...
Please post a clear explanation
of the answer!
1. Fifty percent of the employees in a company have managerial positions, and forty percent of the employees in the company have MBA degrees. Also, seventy percent of the managers have MBA degrees. Find the proportion of employees who are managers and have MBA degrees. And then find the proportion of MBAs who are managers. (2 points)
Research has revealed that forty percent of Internet company employees have stock options in their companies. Consider a random sample of 12 employees from an Internet company, (a) What is the probability that at least 7 employees have stock options in the company? What is the mean number of Internet company employees who have stock options in their companies, in a sample of 12 employees? What is the probability that at most 7 employees will not have stock in the...
Probability
13. A particular bank is interested in estimating the difference between the average Mastercard debt at two of its branches. Using independent samples from two branches the 90% confidence interval for the difference between the means debt was calculated to be -S5.43 with 90% confidence that: H1 H2-$64.78. We could conclude from this A) branch 2 customers have more avera ge debt than customers from branch B) branch 1 customers have more average debt than branch 2 customers C)...
Records of a company show that 20% of the employees have only a high school diploma: 70% have bachelor degrees; and 10% have graduate degrees. Of those with only a high school diploma, 10% hold management positions, whereas, of those having bachelor degrees, 40% hold management positions. Finally, 80% of the employees who have graduate degrees hold management positions. Create a tree diagram representing the above situation. (2 points) What percentage of employees hold management positions? (2 points) Given that...
Twenty-six percent of U.S. employees who are late for work blame oversleeping. You randomly select four U.S. employees who are late for work and ask them whether they blame oversleeping. The random variable represents the number of U.S. employees who are late for work and blame oversleeping. Find the mean of the binomial distribution. u= (Round to the nearest hundredth as needed.) Find the variance of the binomial distribution. o2 = N (Round to the nearest hundredth as needed.) Find...
(7 points) Suppose a recent random sample of employees nationwide that have a 401(k) retirement plan found that 20% of them had borrowed against it in the last year. A local company is interested in assessing whether this proportion adequately describes the borrowing behavior of their employees. They take a random sample of 150 employees and find that 17 had borrowed from their plan. Conduct a hypothesis test to investigate whether the borrowing rate at this company is less than...
Twenty-five percent of the employees of a large company are minorities. A random sample of 9 employees is selected. Round answers to the nearest thousandths (3 decimal places). What is the probability that the sample contains exactly 4 minorities? a. (1 point) What is the probability that the sample contains fewer than 2 minorities? b. (1 point) What is the probability that the sample contains exactly 3 non-minorities? C. (1 point) What is the expected number of minorities in the...
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