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The 30N uniform rectangular plate is supported by a pin at A and cable BC attached at corner B. A 65N weight hangs from corner D .a) Find the tension in the cable. b) Find the force exerted on the plate by the pin at A.
Based on the sample findings, estimate the true mean of Saturday sales with 90% probability.
The mean SAT score in mathematics is 498. The founders of a nationwide SAT preparation course claim that graduates of the course score higher, on average, than the national mean.
Twelve students randomly selected from the entering class of college had the following SAT scores in math and English population mean=500, sigma=100
They were planted in four different locations, so we will consider the field as a second factor because different soil and moisture types can also have an effect on yield. The interaction plot below was obtained.
as a counselor in the field of addiction you are interested in researching if online gambling is becoming more
A financial planner wants to compare the yield of income- and growth-oriented mutual funds. Fifty thousand dollars is invested in each of a sample of 35 income-oriented and 40 growth-oriented funds.
Does it fall into the confidence interval computed from the sample data? What does this tell you?
a supplier contract calls for a key dimension of a part to be between 1.88 and 2.12 cm. that is a part will not be
What is the difference between the Wilcoxon signed-ranks test and the Wilcoxon rank-sum test? no minimum word count.
What is the probability that the total weight of eight people exceeds 1300 pounds? 1500 pounds? (Assume that the probability distribution is approximately normal).
compute the correlation coefficient for the data below. what is the equation for the regression line if n=7, Ex=69, Ey=528 Exy=4754 and Ex^2=825
Bay area community college (BACC) has collected data comparing the starting salaries of their graduating students with last names beginning with the letters A through M with those whose last names begin with N through Z.
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