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A random variable X that has pmf given by p(x) = 1/ (n+1) over the range Rx = {0,1,2,...,n} is said to have a discrete uniform distribution. Find the mean and variance of this distribution.
I survey 50 potential consumers regarding their interest in the product, 34 express an interest in purchasing it. The maximum price each would be willing to pay is shown below.
Multiple choice question based on multiple regression - The coefficient of determination for this model is
According to US Census Bureau, 7.1% of all births to non-smoking mothers are of low birth weight (
When investigating the distribution of a data set, which is more effective: a frequency distribution or a histogram? Why?
The men took an average of 20.5 hours per year of personal time with a standard deviation of 2.75 hours. What is the pooled estimate of the variance? Round to three decimal places.
Explain the distribution of mean of samples of size 15.
The number of runs with respect to the sample median is:
Write Cumulative distribution function.Find the cumulative distribution function F(x).
Give a brief definition and an example of the following: a. Descriptive Statistics b. Inferential Statistics
From the course text and research I am able to create a frequency band with a single number (ie. 10, 20, 30, etc.). However, I am having difficulty creating the band with a number range (ie. $0-$999,999 or $1,000,000-$5,000,000).
Use expected collision claim amount to find out the collision insurance premium that would permit the company to break even on collision portion of policy.
Determine out the regression equation. Determine the estimated sales if 40 contacts are made.
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