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University of Maryland is concerned that out of state students may be receiving lower grades than Maryland students. Two independent random samples have been selected: 165 observations from population 1 (Out of state students) and 177 from population 2 (Maryland students). The sample means obtained are X1(bar)=86 and X2(bar)=87. It is known from previous studies that the population variances are 8.1 and 7.3 respectively. Using a level of significance of .01, is there evidence that the out of state students may be receiving lower grades? Fully explain your answer.
If the length of a rectangle is 2 less than 5 times the width and the perimeter is 476", what is the dimension?
In how many ways can a subcommittee of seven be chosen from a Senate committee of six Democrats and six Republicans if all members are eligible?
details a partner company to american intellectual union aiu universal credit inc. would like to examine the required
write the name of congruent angles from the given figure.parallel lines bd and eg are intersected by line ah. eight
define the given satatement 1. sin90 - sin89 sin10 using pythagoras theoram2. how can any value of sin and cosis
the dual degree students are receiving lower grades? Explain your answer to receive full credit.
You toss two dice - probability, You toss two dice and compute the "difference," which you will define to be the larger top number minus the smaller top number if the numbers are different, and 0 if the numbers are the same.
solve using inequality A car rental company has two rental rates. Rate 1 is $63 per day plus $0.18 per mile. Rate 2 is $126 per day plus $0.09 per mile. If you plan to rent for one week, how many miles would you need to drive to pay less by taking..
using eight planning periods of three months duration each. Should any of the variables restricted to be integer?
Protons are accelerated from rest through a potential difference of 20,000 volts. Find the final velocity of protons.
suppose you need to determine the probability of event a or event b occurring. what information is needed to compute
Define variables that would tell how many units to purchase from each source. Develop an objective function that would minimize the total cost.
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