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A college requires applicants to have an ACT score in the top 10% of all test scores. The ACT scores are normally distributed, with a mean of 19 and a standard deviation of 3.7.
a. Find the lowest test score that a student could get and still meet the college's requirements. Test scores are reported as whole numbers.
b. How does the result change if the college decides to accept the top 15% of all test scores?
At a used-book sale, 100 books are adult books and 160 are children's books. Of the adult books, 70 are nonfiction while 60 of the children's books are nonfiction. If a book is selected at random, find the probability that is is:
question let n denote an inhomogeneous poisson process with intensity function lambdat t expt for t ge 0.a. find pn2
a sample of 64 is taken from a large populatio. the population has a mean of 200 and a standard deviation of 20a
On what method is the Excel based calculator that you have provided based on (Exact, Score, Wald, Adjusted Wald). Also, what method is the calculation in Minitab based on?
question a dam can be lowered by 4 meters using spillway a in 4 hours or by spillway b in 6 hours also lowering the
Fast Service Store has maintained daily sales records on the various size 'Cool Drink' sales. These are shown in the following table:
in st. paul the annual unemployment rates in percentage during the years 1995-2000 are3.6 3.9 3.2 2.9 3.0 3.1and the
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Briefly remind us of the two variables in your correlation and the operational definition of each. State the null hypothesis and the alternative hypothesis (be sure to clearly label each one) for your correlation.
a professor would like to utilize the normal distribution to assign grades such that 5 of students receive as. if the
a real estate agent has appointments with eight prospective clients. from past experience the agent knows that the
Recent crime reports indicate that 5.2 motor vehicle thefts occur each minute in the United States. Assume that the distribution of thefts per minute can be approximated by the Poisson probability distribution.
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