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An American roulette wheel has 38 slots: 18 are red, 18 are black and 2 are green. Let R be the number of spins until you observe red. Let B be the number of spins until you observe black. Let G be the number of spins until you observe green.
a) What are the distributions and parameters for R, B, and G?
b) How many spins would expect it to take to observe black? How many spins would you expect it to take to observe green?
c) What is the probability that you will observe the first red on the 5th spin?
d) You have a bet with a friend that you can observe 4 blacks in at most 6 spins. What is the probability that you will win this bet?
e) How many spins should you expect it to take to observe 4 blacks? What is the variance of the number of spins that it takes to observe 4 blacks?
Mike has est that the store sells about 800 SONY sets annually. Estimated holding cost is $30 per set and ordering cost is $20 per order. Describe the inventory pattern graphically.
Assume that the population of heights of treated plants is normally distributed with mean. Based on the sample, can it be concluded that is different from centimeters? Use the level of significance. Perform a two-tailed test. Then fill in the table..
The library is to be given 3 books as a gift. The books will be selected from a list of 16 titles. If each book selected must have a different title, how many possible selections are there.
Real estate agents always say "location, location, location" is the most important thing in buying a house. We want to know if the sales prices of homes in two neighborhoods are similar. A random sample is taken from each neighborhood. The prices ..
At the 5 percent level of significance, can we conclude that the mean weight is greater than 16 ounces? Determine the p- value.
You want to determine whether or not an observational coding system you've created for ADHD is better as a system with 5 behavioral scales or 3 behavioral scales. What test should be run?
There are assumptions of multiple regression. One of them is: the residuals are independent. This means that successive observations of the dependent variable are not correlated.
What is the minimum sample size required to assure that your sample proportion "p" will be within the required margin of error around the population proportion "p". Use the traditional methods for testing hypotheses and show the results of all ste..
Find the area between the graphs of the functions y1 (x) = x ln x and y2 (x) = -4 exp(3ln x) in the interval between the points x1 = 1 and x2 = e.
Robert Smith of the "Merrill Lynch Pierce Fenner & Smith" families is engaged in full-time fundraising. He has been quite successful at this because he brings a very structured approach to the process:
Discuss the concepts of independent and dependent events. Provide examples of independent and dependent events from the business environment.
1. based on the background information describe briefly how samples of students are obtained from each university.
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