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1. Choose a color of M&M. Using your data, calculate the 90%, 95%, and 99% confidence intervals for the population mean number of that color of M&Ms in a pack. You may assume that the M&M are approximately normally distributed. Which form of the formula did you use and why?
M & M Red Green Brown Blue Yellow Orange Total BgBag 1 5 2 4 5 3 3 22Bag 2 4 3 3 4 3 8 25Bag 3 8 2 3 1 4 2 21Bag 4 3 4 0 4 5 4 23Bag 5 6 5 4 5 3 2 21Total 26 16 16 19 18 19 112
Treating Chronic Fatigue Syndrome Patients with chronic fatigue syndrome were tested, then retested after being treated with fluorocortisone.
According to state government, the monthly incomes of college graduates have a standard deviation of $650. A county official believes that the standard deviation of monthly incomes is higher in her county.
Five cards are drawn from an ordinary deck without replacement. Find the probability of getting:
Conduct a two-tailed hypothesis test given the information below. Assuming that the population variances are equal for male and female Grade Point Averages (GPAs), use the following sample data to test.
Do sit down restuarant franchises and fast food franchises differ significantly in stock price? Specifically, is the average stock price for sit-down restaurants different from the average stock price for fast food restaurants?
Find the probability of winning jackpot?
Computing the Z scores for the given data and evaluate µ and σ for the population.
Gestational Age (Gestage, weeks) for sample of 100 low birth weight infants, and output from fitting a simple linear regression model to data, regressing Headcirc (Y) on Gestage (X).
What is the role of probability concepts in business decision making? Define probability concepts.
Part 1. What is the appropriate distribution for such data? Part 2. Is this lot anomalous?
What are the five steps for calculating probabilities of events? Please apply these steps to an example.
What is the probability that an employee will have a cold next year? Given that an employee is involved in an exercise program, what is the probability that he or she will ge a cold next year?
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