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Four green marbles are selected, one at the time from bin of marbles containing 6 black, 6 red and 6 green marbles. Let x represent number of green marbles drawn in 4 draws.
The Lake Placid Town Council has decided to build up a new community center to be employed for conventions, concerts, and other public events. But, considerable controversy surrounds proper size. Ma
A new weight-watching company, Weight Reducers International, advertises that those who join will lose, on average, ten pounds the first two weeks with the standard deviation of 2.8 pounds. Fi
Dole Pineapple, Inc., is concerned that 16-ounce can of sliced pineapple is being overfilled. Suppose the standard deviation of procedure is .03 ounces. Find out the p-value.
According to the recent survey, Americans get the mean of seven hours of sleep per night. A random sample of 50 students at the West Virginia University revealed the mean number of hours slept last
Suppose that the average annual salary for worker in the United States is $35,000 and that the annual salaries for Americans are normally distributed with the standard deviation equal to $6,500. Fin
Determining which alternative action to select depends on how much snow to expect this winter. The owner employs his experience to estimate the probabilities: of the last 4 years in the region, one
The weekly salaries of teachers in one state are normally distributed with the mean of $490 and standard deviation of $45. Determine the probability that a randomly selected teacher earns more th
The introductory salaries for medical billing clerks are normally distributed with the mean of $24,800 and standard deviation of $2850.
Determine the probability that the mean annual snowfall throughout 40 randomly picked years will exceed 111.8 inches? Determine the probability that the mean annual snowfall throughout 40 randomly pi
A study by National Park Service revealed that 50 percent of vacationers going to Rocky Mountain region visit Yellowstone Park, 40 percent visit the Tetons, and 35 percent visit both. Find out the p
A real estate agent in coastal area of Georgia wants to compare the variation in selling price of homes on oceanfront with those one to three blocks from the ocean.
Find out the probability Linda Lahey, company president, received exactly one email between 4 P.M. and 5 P.M. yesterday? Find the probability she received 5 or more email throughout the same period?
The mean amount purchased by typical customer at Churchill's Grocery Store is $23.50 with standard deviation of $5.00. Determine the likelihood sample mean is at least $25.00?
Families USA, a monthly magazine which discusses issues related to health and health costs, surveyed 20 of its subscribers. Based on this sample information, make a 90 percent confidence interval for
Throughout recent seasons, Major League Baseball has been criticized for length of the games. A report indicated that the average game lasts three hours and 30 minutes. A sample of 17 games revealed
Determine the probability of fatal accident over a lifetime? Describe your reasoning carefully. Hint: Suppose independent events. Why may the assumption of independence be violated?
Considering the range of data, if you were asked what would be the better interpretation of the average number of in patient reported cases of disease under the epidemiological investigation in geo-
A team of advanced practice nurses who handle patients with Fibromyalgia(FM) were capable to disprove orginal data claming that 55% of adults with Fm don't receive the appropriate treament advice fr
Describe your results in (a) and suggest the degree to which they could be employed to make the decision about which system to empty.
The Paymore Rental Car Agency rents cars in the small town. It wants to find how many rental cars it should maintain. Make a simulation experiment for car agency and simulate using the fleet of four r
Estimate the probability which you would be wrong in concluding that the population mean is not equal to 160 given that the sample standard deviation was found to be 2.1.
Does the measurement standard deviation distinct from 0.01 grams at (alpha)=o.o5? Find out the P value for this test. Discuss and describe how part a could be answered by building confidence interval
How many observations should you take so that you can employ the normal approximation? Generate the set of n observations from the binomial distribution with 1 trial and event probability of 0.007,
Let X1, X2, ..., Xn be random sample from normal population N(H,σ2) with unknown mean and variance. With the parameters represented as θ = (θ1, θ2) = (H,&si