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Grocery store receipts show that customer purchases have a skewed distribution with a mean of $32 and a standard deviation of $20.
a) Explain why you cannot determine the probability that the next customer will spend at least $40.
b) Can you estimate the probability that the next 10 customers will spend an average of at least $40? Explain.
c) Is it likely that the next 50 customers will spend an average of at least $40? Explain.
Compute the coefficients of the regression line, interpret the coefficients - sample of 10 games and recorded the number of beers sold and the temperature in the middle of the game.
given a one independent variable linear equation that states cost in k and given the following information calculate
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the mean and standard deviation on a calculus mid term are 55 and 16 points while they are 65 and 22 on the final. if a
You want to create a 90% confidence interval for the true average number of yards per game he throws. What is the margin of error for this estimate?
In a city 38% of the registered voters are republicans. Determine the sampling distribution of the sample proportion of registered voters who are republicans for samples of 85 voters. Be sure to answer the problem fully and support your answer.
Find the proportion of employees who are managers and have MBA degrees.
In a five-six sentence paragraph provide a work-related example of a report you may have to read where it is essential to consider each of these three perspectives. Include a specific example of:
Assume the condition of Normality is met for the problem below. I also want to know the following elements: (Please do not use the Student t test, nor a Chi-square test) Two-tailed test ok?
According to Money, the average cost of repairing a broken leg is $10,402, and the average cost of repairing a knee injury is $11,359. - Conduct a test for equality of means using α = 0.05.
Problem based on combinatory - how many different license plates are possible?
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