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(a) To reduce the standard deviation of the binomial distribution by half, what change must be made in the number of trials?
(b) If n is multiplied by the factor k in the binomial distribution having the parameters n and θ, what statement can be made about the standard deviation of the resulting distribution?
The grade point average of the students at UTC is 2.80 with a standard deviation of 0.84. The grade point average of students at UTK is 2.4 with a standard deviation of 0.84. Which university shows a more dispersed grade distribution?
Test the given claim using the traditional method of hypothesis testing.
Suppose that weights of bags of potato chips coming from a factory follow a normal distribution with mean 12.8 ounces and standard deviation .6 ounces.
The retailer is interested in their preferences. List the possibilities for preference arrangements among the four customers.
Assume that you are asked to perform an exploratory data analysis in which the emphasis is to compare the difference between the body mass index (BMI) values of men and women. Use Excel and/or SPSS to create reports and run analyses on the data fo..
multiple choice questions based on regression.the following information regarding a dependent variable y and an
Describe a business-related situation in which you would expect there to be a strong relationship (correlation) between an independent and dependent variable.
A fair die is rolled nine times. What is the probability that an odd number (1,3 or 5) will occur less than 3 times?
Write complete linear programming model (All three parts) to find out the number of items to be transported from models A, B, C, and D to nodes 1 and 2 at minimum cost.
sam wanted to test a claim about the mean of a population whose standard deviation was unknown. he picked a simple
a political strategist calims that 55 of voters in madison county support his candidate. in a poll of 200 randomly
The null hypotheseis it true? Sketch the density curve of the sampling distribution. Be sure to locate mean and standard deviationn correctly.
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