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Consider college officials in admissions, registration, counselling, financial aid, campus ministry, food services, and so on. How much money do these people make each year? Suppose you read in your
Explain the probability using binomial distribution. Labour negotiations estimate that 30% of completely major contract negotiations result in a strike
How do retail stores rate? One way to answer this question is to examine annual profits per employee. The following data give annual profits per employee ( in units of one thousand dollars per emplo
Confidence interval for the population mean.The number of pups in wolf dens of the south-western United States is recorded below for 16 wolf dens.
Explain find the probability using binomial distribution. It is recognised that 60 percent of all registered voters in the 42nd congressional District are Republicans
Explain the mean and variance using the probability distribution. Bill records display that the Puret grinder has required repair service according to the subsequent distribution
What percentage of hospitals provides as a minimum some charity care? Based on a random sample of hospital reports from eastern states, the following information was obtained (units in percentage of
why the mean of a normal probability distribution is 60
How to find the probability using the Bayes' theorem. A test on zoology is to be given next week. Presume 75 percent of the students study for the test and 25 percent don't.
A recent study of the hourly wages of maintenance crews for major airlines showed that the mean hourly salary was $16.50, with a standard deviation of $3.50. If we choose a crew member at random, wh
Computing the Probability of events. The Bunte Auto Repair Shop conventional a shipment of four carburettors. One is recognised to be defective. If two are chosen at random and tested
The amounts of money requested in home loan applications at ABC Federal Savings are about normally distributed with a mean of $70,000 and a standard deviation of $20,000. A loan application is recei
How to find the probability using binomial distribution. Explain the probability that a bomber hits a target on a bombing mission is 0.70 and three bombers are sent to bomb a particular target
Calculating probability of specified events. A study was made to examine the number of times adult males over 30 visit a physician each year
Calculation of Expectation and Variance and Covariance. Suppose (Y1, Y2) has the subsequent joint probability mass function
The price of XYZ Corporation stock is normally distributed throughout the year with a mean of $42.00 per share and a standard deviation of $2.25 per share. Suppose that the stock is traded 240 days
Calculating probability of specified events. Dunn Poitiac has compiled the subsequent sales data regarding the number of cars sold over the past 60n selling days.
In establishing warranty on TV sets the manufacturer wants to set the limits so that few will need repair at manufacturer expense. On the other hand, the warranty period must be long enough to make
Because of reduced taxes, an individual has an extra $600 in spendable income. If we assume that the individual spends 70 percent of these on consumer goods.
Explain Scale of measurements. Explain what is the level of measurement for the variable Number of Presidential Elections in Which Respondent Voted in Entire Life measured by the number the responde
Five identical bowls are labelled 1,2,3,4 and 5. Bowl i contains i white and 5 - i black balls with i = 1, 2, 3, 4, 5. A bowl is randomly selected and two balls are randomly selected (without replac
A certain exterminator specializes in Apexis rodents. Apexis rodents ALWAYS infest the basement of a house. They sometimes, but not always, infest the rooms of the house.
Let Y be the jumping distance of a flea. It is recognized that Y is normally distributed and that its standard deviation is one inch. One flea is observed jumping and the distance it jumps is record
Explain Probability using Poisson distribution. Compute each Poisson probability-