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In a grand jury case, a bookstore was indicted in Oklahoma County on several counts of selling an obscene book
Douglas Boats is a supplier of boating equipment for the states of Oregon and Washington.
In a certain region of the country, average radar echo duration of lightning flashes is .61 sec and a standard deviation of .24 sec. Note, that these are population values. Calculate a 95% (two
Does the sample provide sufficient evidence that the mean pH level in the water differs from 8.5? Conduct a test at the ? = .01 level
For a Shewhart control chart using 3-sigma limits,
Suppose event A has a 0.99 probability of occurring and event B has a 0.98 probability of occurring.
A. What is the probability of discovering that your five best friends all have cellphone numbers ending in 7?
A local ice-cream store receives an average of 3 customers per hour. Assume that the arrival events are well described by Poisson distribution. The cashier wants to leave the store to run an errand.
If A has a grade value of 4, B has a grade value of 3 and C has a grade value of 1, what is the expected grade of the class? Which law of probability will you use to compute this?
Consider two urns with the following composition: Urn 1 contains 5 red and 15 black balls, Urn 2 contains 8 red and 12 black balls.
Assume that an old used car fails to start 10% of the time. The other 90% of the time it drives for a time period which is uniformly distributed in the interval 20 to 30 minutes. In this interval al
A coin with the probability of heads being 0.8 is tossed 4 tim
Write down the probability distribution of X, the insurance company's annual gain from such a policy (i.e., the amount of money made by the insurance company from such a policy).
Find the probability that exactly 5 rats have recessive traits and find the probability that no more than 9 rats have recessive traits.
In the following study, participants were randomly assigned to receive humanistic therapy, psychodynamic therapy, or behavioral therapy for their depression.
Birth weights of babies in the United States can be modeled by a normal distribution with mean 3250 grams (7.165 pounds) and standard deviation 550 grams (1.213 pounds). Those weighing less than
1. A company is evaluating the impact of a wellness program offered on-site as a means of reducing employee sick days. A total of 8 employees agree to participate in the evaluation which lasts 12
In a survey of 900 college students , 405 out of 900 students has credit card or 45% of the student owned a credit card.
Assume that X is normally distributed with a mean of 6 and a standard deviation of 3. Determine the value for x that solves for each of the following.
What are examples of variables that follow a binomial probability distribution? What are examples of variables that follow a Poisson distribution? When might you use a geometric probability?
What is the probability of the committee composed by two mean
Management wishes to schedule workers with specific projects that minimizes total cost and gets all projects done, what would that minimized cost be and Part 1b Which project should be assigned to w
Grades my justifiably be quantified in the usual manner
Estimate of 3 days, a most likely time estimate of 8 days, and a pessimistic time estimate of 10 days - estimate of 6 days. and a pessimistic time estimate of 10 days.
What is the slope of the regression equation developed when the Sales data are used to predict the Pounds and what is the seasonal factor for the third quarter?