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Suppose that scores on the Math SAT exam follow a Normal distribution with mean 500 and standard deviation 100. Two students that have taken the exam are selected at random. What is the probability that the sum of their scores exceeds 1200?
Conduct an ANOVA
A random sample of customer order totals with an average of $78.25 and a population standard deviation of $22.50. Calculate a 90% confidence interval fro the mean, given a sample size of 75 orders.
Bob's, a fast-food chain specializing in hot dogs and garlic fries, keeps track of the proportion of its customers who decide to eat in the restaurant (as opposed to ordering the food "to go") so it can make decisions regarding the possible construct..
find two different news stories in a mainstream media source cnn foxnews newsweek etc. that cite data from a recognized
How many of Acme's employees use drugs?How many of the employees who use drugs get a positive test result?How many of the employees who do not use drugs get a positive test result?
part i introduction this section should include some perspective about the problem you are trying to analyze in other
1) A coin is flipped 14 times. Use the normal approximation to the binomial distribution to calculate the probability of a total of 4,5, or 6 heads. Compare this to the binomial probability.
A marketing analyst in a large grocery store chain
Complete the ANOVA summary table.
How many cases of relays and capacitors should Harkin Electronics produce during that period? If your answer is in fractional units of cases that is acceptable - do not round to whole number of cases.
Calculate a 95% confidence interval for the unknown population mean business age - Test, at the 5% level of significance, whether location (Parramatta or Sydney CBD) of the business is related to type of business (privately held, publicly traded or..
What is the probability of a student not doing homework or passing and what is the probability that the home team will win this game given that it is ahead at the half?
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