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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
Psychological Statistics Psychological Statistics
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?
Empirical Research, Sampling Methods and Reliability - Identify a business research and define the research questions for the identified problem or opportunity
The Charm City Fan Company manufactures two products: large fans and medium fans. Each large fan requires 3 hours of wiring and 2 hours of drilling. Each medium fan requires 2 hours of wiring and
If a recent news report indicated that out of 105 people polled, 65 men and 15 women had given the president a high approval rating, while 15 men and 10 women had given the president a low approv
a. A firm uses a computer-based training module to prepare 20 machinist to use new numerically controlled lathes. The module contains a test at the end of the course; X is the number who perform
Companies planning to introduce a new product in the market must define the "target" for the product. Age and gender are two of the most important demographic variables. The following two-way de
Are the events of being man-made and being polluted independent and write out the sample space - Find the PPV and NPV for a population where 2% of the people have the disease.
F90 posted a question Sep 18, 2014 at 12:58pm