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Suppose that the national average for the math portion of the College Board's SAT is 535. The College Board periodically rescales the test scores such that the standard deviation is approximately 100. Answer the following questions using a bell-shaped distribution and the empirical rule for the math test scores.
If required, round your answers to two decimal places.
(a) What percentage of students have an SAT math score greater than 635?
(b) What percentage of students have an SAT math score greater than 735?
(c) What percentage of students have an SAT math score between 435 and 535?
(d) What is the z-score for student with an SAT math score of 630?
(e) What is the z-score for a student with an SAT math score of 395?
Find out the Optimum solution using the given data. Consider the following linear programming problem. Illustrate what is the optimum solution to this problem?
Sketch the distribution of sample means for sample of n = 25 scores from this population.
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Standard deviation of 0.17 ounces, assuming the weight of cereal is normally distributed, determine the likelihood that a package will contain more than 12.2 ounces?
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If you draw two balls without replacing the first one, what is the possibility that one ball is red and the other is white.
The Minitab outputs displayed below were obtained from a regression analysis conducted to determine the relationship between income and age.
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