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A health club has 6 tennis courts. the owner hypothesizes that his patrons have no preference for a particular court. he observes how many people play on each court on a particular day. compute the expected value for the data shown belowcourt number of players1 92 103 114 65 146 7
a)4.37 b)10.3 c)9.5 d)5.72
A biologist had mice and rats run through a maze and recorded the number that finished the maze successfully and the number that did not. this table lists the results of the study. at a=.05, test the claim that the rodent type and the success of finishing the maze are related.mice ratsfinished 30 22did not finish 36 13
a)there is evidence to reject the claim that the rodent type and the success of finishing the maze are not related because the test value 9.488>1.393b)there is not evidence to reject the claim that the rodent type and the success of finishing the maze are not related because the test value 2.773<3.841c)there is not evidence to reject the claim that the rodent type and the success of finishing the maze are not related because the test value 1.393<9.488d)there is evidence to reject the claim that the rodent type and the success of finishing the maze are not related because the test value 3.841>2.773
Use descriptive statistics to summarize the data from the two studies. What are your preliminary observations about the depression scores?
Which trend model is best, and why? If none is satisfactory, explain. Make a forecast for 2004 by using a trend model of your choice or a judgment forecast.
If the opinion poll had announced the margin of error for 80% confidence rather than 95% confidence, this margin of error would be?
Can I get some help for me to understand what is the difference between an equation and an expression? Can you solve for a variable in an expression? Could you explain.
Mean weekly computer usage time of 8.5 hours and that from prior studies, the population standard deviation is assumed to be σ = 3.6 hours. Based on this information, what would be the point estimate for μ?
Linda would like to maintain a 90% service level. what safety stock level do you recommend for BX-5?
Find the margin of error for the 95% confidence interval used to estimate the population proportion.
In the Cash Now lottery game there are 10 finalists who submitted entry tickets on time. From these 10 tickets three grand prize winners will be drawn.
A stationery store wants to estimate the total retail value of the 300 greeting cards that it has in its inventory. What are the upper and lower limits of the 95% confidence interval estimate of the population total value of all greeting cards tha..
Quality Progress, Feburary 2005, reports on the results achieved by Bank of America in improving customer satisfaction and customer loyalty by listening to the "voice of the customer".
Is it necessary to assume a normal distribution on the population to estimate the value of the mean spending per day? Explain.
Finding the value of test statistic utilizing two-tail 't' test also interpret the result. The Commercial Bank as well as Trust Company is studying the use of its automatic teller machines.
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