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Marketing and Consumer Behavior
Kraft Foods recently announced that the Kool-Aid mascot, that big red pitcher of the powdered drink mix with arms and legs, will receive a makeover as they unveil a new liquid mix. Kool-Aid bursts are distributed in various flavors including tropical punch, berry blue, and grape. Kraft Foods claims that the mean amount of Kool-Aid in each burst bottle is 200 milliliters (ml).15 Assume the amount of drink in each bottle is normally distributed with standard deviation 1.25 ml. Suppose a bottle of berry blue is selected at random.
a. What is the probability that the amount of drink will be between 199 and 201 ml?
b. If the amount of drink is more than 202 ml, when the bottle is opened there will be a spill. What is the probability of a spill?
c. Suppose there are 196 ml in the bottle of berry blue. Is there any evidence to suggest the claim made by Kraft Foods is false? Justify your answer.
What is the probability that the sample mean would differ from the true mean by greater than .04 dollars if a sample of 183 5 gallon pails is randomly selected? Round answer to 4 decimal places.
X is a normally distributed random variable with mean 10 and variance 24. a. Find P(X bigger 14) b. find P(8 smaller X smaller 20)
(a) Show that if T has an exponential distribution, the failure rate is constant. (b) Show that if T has a Weibull distribution, the failure rate is given by αβt β-1.
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If Jan was not one of the four students selected earlier in the week, what is the probability that she will be picked on Friday? Explain how you found your answer.
a) Identify the observational units. b) Use a calculator to determine the exact binomial one-sided p-value.
Tthe amount is approximately normally distributed with a mean of 16 and a standard deviation of 1.5. What percent of the cups will have 15 oz or fewer?
In the 1970s, computers (even minicomputers) were very expensive. Since no one had their own computer, people had to share. Compared to today, computers in the 1970s were slow, with limited memory and storage facilities.
Thirty-five rolls are selected, and the amount of absorption for a single paper towel from each roll is recorded.- What is the population of interest?
The Bureau of Labor Statistics in its Monthly Labor Review published the over per month percent change in the price index for imports from April 2006 to April 2007. Calculate the average percent change for the 9 months of 2006 and the 4 months of 2..
Suppose that 12 people must travel in 3 cars containing 4 people each from LA to New York. How many different arrangements are there?
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