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Suppose the time necessary to process an application for a license plate for a newly purchased vehicle is normally distributed with mean of 6 minutes and standard deviation of 1.5 minutes. If 10 such applications are processed independently of one another, what is the probability that all takes less than 9.5 minutes?
Describe the standard normal distribution. Explain why it can be used to find probabilities for all normal distributions.
A market research company surveyed consumers to determine their ranked preferences of energy drinks among the brands Monster, Red Bull, and Rockstar.
Assume that 5% of men and only .25% of women are colorblind. A colorblind person is chosen at random:
In the game of roulette, a ball is dropped into a spinning wheel, finally landing on one of the wheel's 38 different slots. The wheel has 18 black slots, 18 red slots, 1 green zero, and 1 green double-zero.
Compute the indicated confidence interval for the differenciate in proportions. Suppose that the samples are independent and that they have been randomly selected.
Describe the error in the conclusion. Given: There is a linear correlation between the number of cigarettes smoked and the pulse rate. As the number of cigarettes increases the pulse rate increases. Conclusion: Cigarettes cause the pulse rate to i..
They found that those with higher levels of cigarette use had lower GPAs, and vice versa. What can you rightfully conclude from this? Why? Be specific about what this kind of information may indicate and mean.
A study sponsored by American Express Co. and the French government tourist office found that old American stereotypes about French unfriendliness weren't true.
Probability based on a random experiment - What is the probability, without looking in the drawer
Then, give two examples of correlation which are evaluated in a business environment and discuss the decision made by evaluating the correlation.
Suppose x follows a distribution with density function: f(x)=C*abs(x-2), 0 =
Formulate a linear programming model for this problem.
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