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Exam grades across all sections of introductory statistics at a large university are approximately normally distributed with a mean of and a standard deviation of . Use the normal distribution to answer the following questions.
(a) What percent of students scored above an 88?
(b) If the highest 9% of students will be given a grade of A, what is the cutoff to get an A?
1. for the 16 teams in the national league data is shown for the team batting averages as of august 27 2012.
the mean cleanup and redecorating time for one-bedroom student apartment at campus housing is 16 hours. the time for
According to Chebyshev's Theorem, how many students scored between 57 and 93? Assume that the distribution is normal. Based on the Empirical Rule, how many students scored between 57 and 93?
how important they felt level of risk was in choosing a retirement investment
What is the importance of pretesting questions and instruments? What are risks of not doing this? Provide an example
iq data is thought to be normally distributed with a mean of 100 and a standard deviation of 15. using the emperical
The Cadet is a popular model of sport utility vehicle, known for its relatively high resale value. The bivariate data given below were taken from a sample of sixteen Cadets
The time spent waiting for a heart transplant in Ohio and MIchigan for patients with A+ blood can be approximated by a normal distribution with a mean of 127 days and a standard deviation of 23.5 days. What is the longest time spent waiting for a ..
a new muscle relaxant is available. researchers from the firm developing the relaxant have done studies that indicate
In the previous exercise there were two possible outcomes; reject the null hy- pothesis or fail to reject the null hypothesis. Explain in your own words what is meant by these outcomes.
question assume that female students heights are normally distributed with a mean given by micro 64.2 in. and a
The standard deviation in cash bonuses is $15,618 and the standard deviation in annual pay is $28,077. The estimated slope of best fitting line relating x and y is?
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