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The following data are the total 1-year return, in percent, for 10 midcap mutual funds:
0.7, 0.8, 0.1, -0.7, -0.7, 1.6, 0.2, -0.5, -0.4, -1.3
Find the median and the 20th, 30th, 60th, and 90th percentiles.
assume that a simple random sample has been selected froma normally distributed population and the test given
1. using the percent passing developmental courses in shown in the table for your campus in fall 2009 what is the
Suppose that the ordering cost is not $20, and Mouse Parts is ordering 150 units each time an order is placed. For this ordering policy to be optimal, what would the ordering cost have to be?
Suppose that the population of all gasoline mileages is normally distributed with mean µ = 31.5 mpg and standard deviation σ = 0.8 mpg. Let y denote a mileage randomly selected from this population. Find the probabilities:
An aptitude test is designed to measure leadership abilities of the test subjects. Suppose that the scores on the test are normally distributed with a mean of 580 and a standard deviation of 125.
What is the probability of Picking a second red ball from the urn in Prob. 3.4 when a red ball was already obtained on the ?rst pick and not replaced?
Prepare the journal entry for each transaction listed above. In your own words, explain the main differences between common and preferred stock.
what is the critical value for a left-tailed z-test at the 1 level of
Problem: Consider a dataset of two paired variables, X and Y that have the following properties:
a researcher wants to determine a 95 confidence interval for the mean number of hours that umkc students spend doing
The width of an interval is half of the difference between its upper and lower bounds. The width is a measure of the uncertainty of the number specified by the interval.
Assuming that the standard deviation and the normal shape are unchanged, to what level must the mean reduce so that 20 gallons per week is the third quartile rather than the mean?
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