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Charlie has read a survey result that says 60% of the adults in his town consider Wendy's hamburgers to taste good. Charlie drives into the local Wendy's and questions a young couple about to enter the restaurant.
According to Charlie, there's only a 0.36 (i.e., 0.6 × 0.6) probability that both of these people will say Wendy's hamburgers taste good. Do you think Charlie is correct? Explain.
A bookcase contains 3 statistics books and 4 biology books. If 2 books are chosen at random, find the chance that both are statistics books.
a consulting firm submitted a bid for a large research rject. the firms managment initaly felt they had a 50 50 chance
A farm brings 15 tons of watermelon to market. Find a 90% confidence interval for the population mean cash value of this crop. What is the margin of error?
The random variable x, which is the number of occurrences of an event over an interval of ten minutes. It can be assumed that the probability of an occurrence is the same in any two time periods of an equal length. It is known that the mean number..
If the cars meet and couple together, determine the speed of both cars just after the coupling. Find the difference between the total kinetic energy before and after coupling has occurred, and explain qualitatively what happened to this energy.
If someone driving in New Orleans tuned into an FM radio station with high signal strength at random, what would be the chances he would get a Rock or Hip hop station? Give answer as a fraction in lowest terms.
Assuming that this probability does not change, he would like to compute the probability that he will score on 1 or more of his next 4 attempts. He should use?
a bank manager wishes to provide prompt service for customers at the banks drive-up window. the bank currently can
Use a 0.05 significance level to test the claim that the three categories of cigarettes yield the same mean amount of nicotine. Given that only the king size cigarettes are not filtered, do the filters appear to make a difference
Consider the following statement and discuss its implications. 'It is possible for a statistically significant result to be of no particular practical significance, depending on the context of the analysis.'
if a population has a standard deviation of 18 what is the minimum number of samples that need to be averaged in order
The procedure accumulate-n is similar to accumulate except that it takes as its third argument a sequence of sequences, which are all assumed to have the same number of elements.
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