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Question:
A soft drink manufacturer is using a "winning" cap as a sales promotion. The purchaser can get a prize if they buy a bottle that has a "Winner" symbol under the cap. Winning symbol caps are placed randomly on 5% of the bottles.
You buy a six-pack of the soft drink.
a) State the exact probability distribution that applies to this circumstance.
b) What is the probability that you win something? Give clear notation of the probability calculated.
c) What is the Poisson approximation to this distribution? Estimate the probability that you win something using this approximation.
d) Comment on the results of the two calculations.
In your own words, describe the concept of correlation, include the coefficient of correlation (r) and the coefficient of determination (r2) in your description.
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A Hot Fudge Sundae has on average 12 ounces of ice cream. If I were to set up a hypothesis test to test the ability of a new employee making the hot fudge sundae with an average of 12 ounces of ice cream
You are the principal of a large urban high school and wish to do a parent survey to determine how parents feel about same-sex classes.
A gallop poll that was based on telephone interviews conducted April 9-12, 2012, using a random sample of 1016 adults aged 18 and older, living in all 50 US states and the District of Columbia, indicated that 29% of Americans spent more money in rece..
Suppose that beer consumption and religious affiliation are not independent of each other. That means that
Explain the difference between testing a single mean and testing the difference between two means. What two assumptions must be met when one is using z test to test differences between two means?
Use the Poisson Distribution the indicated probabilities in one year, there were 116 homicide deaths in Richmond VA. For a randomly selected day
Assume that 5,000 sales invoices are separated into four strata. Stratum 1 contains 50 invoices, stratum 2 contains 500 invoices, stratum 3 contains 1,000 invoices, and stratum 4 contains 3,450 invoices.
State the null and alternate hypotheses, the decision rule, find the test statistic, state your decision, and estimate the P value for the following:
A consumer organization estimates that over a 1-year period 17 percent of cars will require to be repaired once, 7 percent will need repairs twice, and 4 percent will require three or more repairs. What is the probability that a car chosen at rand..
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