Different orders can the seven people
Alice and David are among 7 people standing upon line. If one of Alice and David is first person on line and other of Alice and David is the last person on the line, in how many different orders can the seven people be standing on line?
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A set of X and Y scores has MX = 4, SSX = 10, MY = 5, SSY = 40, and SP = 40. What is the regression equation for predicting Y from X?
Find the 98% confidence interval for estimating ?d based on these paired data and assuming normality. (Give your answers correct to one decimal place.)
An experiment was designed to determine the mean difference in weight gain for pigs fed ration A as compared with those fed ration B. Eight pairs of pigs were used.
A catalogue sales company promises to deliver orders placed on the Internet within 3 days. Follow-up calls to a few randomly selected customers show that a 95% confidence interval for the proportion of all orders that arrive on time is .88 +/- .06
Management is thinking of issuing $120,000 of debt at the interest rate of 9% and using proceeds on the stock repurchase. Ignore taxes. How many shares will firm repurchase if it issues debt securities?
The pulse rates for 13 adult women were as follows. Develop a 0.99 confidence interval for the mean pulse rate. (Give your answers correct to one decimal place.)
Solve given linear programming model by simplex method. Show each table and equations to make new row for each table. use fractions only (if applicable), no decimals.
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