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A student takes a calculus midterm and a history midterm. The mean and standard deviation on the calculus midterm are 58 and 15 points while they are 63 and 35 on the history midterm. Suppose she gets 78 on the calculus midterm and 78 in history.
What score in history is comparable to her calculus score?
What score in calculus is comparable to her history score?
In which course is she doing better? Enter 1 for calculus, 2 for history.
What percentage of the workers is paying between $1800 and $2400 per year toward the family health coverage premium? What is the probability that a worker pays more than $2500 towards the family health coverage premium?
more than 50 million guests stayed at bed and breakfasts bampbs last year. the web sitenbsp for the bed and breakfast
A researcher collected sample data for 17 women ages 18 to 24 . The sample had a mean serum cholesterol level (measured in mg/100 mL) of 188.8 , with a standard deviation of 5.5.
Construct a frequency distribution of the sample mean, and plot a histogram of this distribution. Use the central limit theorem to calculate and identify the sampling distribution of the sample mean.
the manufacturer of hardness testing equipment uses steel-ball indenters to penetrate metal that is being tested.
Are you doubtful of any of these data points? if so why does there show to be a linear relation between degree of stenosis and nuber of reactive nuclei?
From her district, consisting of several hundred stores, she selects a random sample of 30 stores. For each store she gathered the following information.
Garbage quantity is approximately normally distributed. Find the probability that the mean from a sample of 30 families will have between 17 and 18 pounds of garbage.
Then comment on the effectiveness of the presentation: Were the frequency distributions used effectively to report the results? Why or why not?
ample of fifteen 8 ounce Baby Ruth candy bars are weighed and it is found sample standard deviation is 0.6 ounces. Test company's claim at (alpha sign) is 0.05.
The populations must all be normally distributed, what is meant by normally distributed?
an average computer mouse inspector can inspect 55 mice per hour with a population standard deviation of 14 mice per
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