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ISSUE: Obtaining sufficient funds to run programs can be a challenge for NPOs because revenue from donations, government grants, and foundation grants can vary from year to year.
Let X be a normal random variable with a mean of 20 and a standard deviation of 4. Find P(X
Use the Emperical Rule to determine what values 68% of the data would fall between for a mean of 24 and a standard deviation of 3.
Three families, each with three members, are lined up at random for a picture. What is the probability that members of each family happen to be together (that is, not separated by someone from another family) in the picture?
Setup Null and Alternate hypotheses to test if average amount of soda in each can is less than 32 oz. Test the hypothesis using a = 0.05. What can you conclude from all this?
Suppose that P, the price of a certain commodity (in dollars), and S, its total sales (in 10,000 units), are random variables whose joint probability distribution can be approximated closely with the joint probability density
Find the equation of linear regression for the above data and obtain the expected salary for an engineer with 45 years of experience. Round to the nearest $100.
which of the sets in the diagram below are independent?why or why not?(be sure you get all pairs of sets)
The probability that average amount of purchase per weekend from Sam's sample is greater than average amount of purchase per weekend from Katie's sample =
the speed of cars mph or mileshour on ca-60 freeway follows a normal distribution. a highway safety researcher believes
Assess the relationship between the two variables based on the scatterplot and output for the b coefficient. Is there a relationship between these two variables as hypothesized? Is it a negative or a positive relationship?
Previous information suggests that the percentage nonconforming is approximately 4%. How large a sample must be chosen?
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