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Question: NCAA rules for athletes. The National Collegiate Athletic Association (NCAA) requires Division II athletes to get a combined score of at least 820 on the Mathematics and Critical Reading sections of the SAT exam in order to compete in their first college year. In 2007, the combined scores of the millions of college-bound seniors taking the SATs were approximately Normal with mean 1017 and standard deviation approximately 210. What percentage of all collegebound seniors had scores less than 820?
Determine the sample size necessary under the following conditions. To estimate with = 44, E = 3, and 95% confidence. To estimate with a range of values from 20 to 88 with E = 2 and 90% confidence.
Perhaps you have a millionaire, someone making $30,000 and a lot of people spread out all over (and evenly) in between. How would this need to change for median to be a better measure?
Construct a scatter plot, using sales as the dependent variable and median family income as the independent variable. Discuss the scatter plot.
a multiple regression line was calculated in which x1 was a students grade point average and x2 was a students age. the
you conducted a chi-square goodness of fit test in your asci 691 capstone project. unfortunately you did not get the
If these three components are weighted at 35%, 45%, and 20%, respectively, what is the weighted mean for her course performance?
Given that each of those two balls is red, compute the conditional probability that 5 red blls were placed in the bowl at random.
complete the following hypothesis test ho ? 52 ha ? lt 52 ? 0.01 using the data below.55 47 58 55 39
A transatlantic plane carries 140 passengers. It is known that the average weight of all passengers on that plane is 147.14 pounds, that the men on that plane weigh on the average 170 pounds, and women 130 pounds. How many men and how many women w..
four automobiles have entered bubbas repair shop for various types of work ranging from a transmission overhaul to a
The number of customers for a randomly selected week was collected. Should the vice president consider closing any of the stores based on daily patronage? Does a certain day of the week have any effect on the average number of customers
the projected cash flows in a project analysis were estimated with effect of inflation of 3.6 percent per period. if
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