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Need help with the following question.
15 people work in an office. 8 are women and 7 are men. The flu virus is coming.
(a) In how many ways can the flu virus randomly select 7 workers out of the 15 to get sick? Show work.
(b) In how many ways can the flu choose 7 workers, if 3 must be women and 4 must be men? Show work.
(c) If the flu virus randomly selects 7 workers from the 15 in the office, what is the probability that 4 are men and 3 are women? Round answer to nearest ten-thousandth (4 places after decimal). Show work.
If a fair six-sided die is rolled 1200 times, find the probability that an even number will occur at most 620 times.
Interpret coefficient on log (salesm). If salesm were to be increased by 20%, what would be estimated change in mktgp? Would this effect be substantive?
Regression and Correlation are two of the most often used and abused tools in research. People are quick to jump to conclusions that if a relationship exists between two variables, then one must cause (causation) the other. There are many reasons ..
The camera department of a large department store sells three different brands of cameras: Proxima, Yakima, and Tetron. Approximately 60% of the cameras sold are Yakimas with Tetrons accounting for 30% of sales and Proxima the remaining 10%.
Conduct a goodness-of-fit test to determine if the actual college majors of graduating males fit the distribution of their expected majors
Imagine you are a manager at a major bottling company. Customers have begun to complain that the bottles of the brand of soda produced in your company contain less than the advertised sixteen (16) ounces of product.
a researcher is interested in the effect of st. johns wort on memory. a group of 25 college students is selected to
the manager of a youth-oriented clothing store at the local mall has determined that 27 of the males who enter the
Covariates included self-reported lifetime history of hypertension, gallbladder disease, and non-estrogen drug use.
From a random sample of 50 employees who resigned from the state university system over the past 5 years, the average time between the termination date and reimbursement was 75 days, with a standard deviation of 15 days. Use the data to estimate t..
A population of data from a paper supply company is known to have a mean weight of 55 ounces per ream and a population standard deviation of 5 ounces. The population is known to be bell shaped and symmetrical.
Find the probability that less than five students voted in the election and what is the probability that less than 30 accounts will be classified as delinquent?
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