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The number of gallons of paint that Home Depot sells in a given day is normally distributed with a mean of 160 gallons and a standard deviation of 55 gallons (I realize that the distribution is probably different for weekends compared to weekdays, but just assume everyday has the distribution). What is the probability that on a randomly chosen day, Home Depot sells more than 120 gallons of paint? (please round your answer to 4 decimal places)
How many categories in the ACME transportation table are qualitative and what is the average number of merchandise per order, for all orders? Round to the nearest integer and what is the standard deviation of all orders in this sample?
advertising for this variable each student must fill in the table with whatever random values each student wants.
What is the probability that at least 375 of the 500 complaints will be settled this year?
A business man must travel to five different destinations
Based on interviews with 81 SARS patients, researchers found that the mean incubation period was5 days, with a standard deviation of 15.7 days. Based on this information construct a 95% confidence interval for the mean incubation period of SA..
1. A random variable X is normally distributed with a mean of 37 and a standard deviation of 10.a. What is the probability that X will be more than 50?b. What is the probability that X will be more than 30?
What p-value did you get in your randomization and explain in the context of the problem what the p-value means. What is the variable of interest and what graphical techniques will you use to describe your data?
The mean sales per customer µ for all of the sales for your company last month is not known. Based on your past experience, you are willing to assume that the population standard deviation of sales, σ, is about $220. If you take a random sample of 10..
A researcher is asked to determine whether or not a productivity objective (in dollars) of better than $75,000 per employee is possible. A productivity test is done involving 20 employees. What conclusion would you reach? The sales are as f..
The chamber of commerce of a Florida Gulf Coast
Describe the error in the conclusion
What was the sample size and how was the data collected? State the meaning of the confidence interval in terms of the specific question or poll.
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