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Studies show that 11% of U.S. adults eat fast food four to six times per week. In a survey, 180 adults were asked "How many times per week do you eat fast food? Find the mean and standard deviation for the number of adults eat fast food four to six times per week in a group of 180 adults.
Finding Expected Mean and Standard Deviation
suppose the current price of gold is 930ounce. suppose also that the price 1 month from today has a normal distribution
to find the drag on an airplane whose velocity is 167 ms could one test a 1 25 scale model in a subsonic local match
According to the American Hotel and Motel Association (AHMA), women are expected to account for half of all business travelers by the year 2002. To attract these women business travelers, the AHMA found that 70% offer hair dryers in the bathrooms..
Calculate the covariance
What is the probability that out of the 250 randomly selected tax returns no fraudulent return is uncovered?
Why do media, individuals, and books have such a strong influence on the public agenda? Do they have the same influence on the formal agenda?
What do statisticians do, and where do they work? Also, can you explain Confidence and Risk in decision-making? Please provide examples.
The reported scores on a nationally standardized achievement test for high school graduates have a mean of 500 with the standard deviation of 100.
of federal taxpayers who itemize their deductions and have adjusted gross incomes between 35000 and 50000 the dollar
Suppose that recently the hospital randomly sampled 10 patient bills and conducted a thorough study to determine whether an error exists. It found 3 bills with errors. Assuming that managers are correct that they have improved the error rate to 0...
Alcohol and carbohydrates in beer. Given Figure gives a scatterplot of carbohydrates versus percent alcohol in 86 brands of beer. Compute the correlation for these data.
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