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Suppose that SAT score is normally distributed with a mean 988 and a standard deviation of 211 in 2004.A local college plans to set up a scholarship budget for 2005 where $5000 will be awarded to each incoming freshman whose SAT score is higher than 1500. They expect about 5000 applicants each year. What is the expected scholarship fund in 2005? In other words, how much is it appropriate for the plan for scholarship expenditure in 2005 budget?
The design tolerance thickness for an automotive part is 55 mm to 65 mm. If the process mean thickness is 61 with a standard deviation of 2.3 mm, then what percentage of the sheets will be acceptable? (i.e. What percentage will fall within the des..
At the .01 significance level, is there a relationship between job pressure and age?
Formulate the hypotheses that can be used to determine whether the mean of all account balances is significantly different from $1,150
Now suppose that a finished product is randomly selected. What is the probability that it is defective?
Generate a scatterplot for Occupancy Rate (Y) vs. Rent per Sq. Ft. (X). Send this graph to me via email. State the equation of the best fit line. State and interpret the values of bo and b1.
Construct a 95% confidence interval estimate of the population mean life of the light bulbs.
The manager of a car wash receives pricing schedule (shown below) from the vendor who supplies soap- and a promise of a 25% shorter lead time for deliveries.
At 0.01 level of significance, is there evidence that mean price is higher at Whole Foods Market than at Fairyway supermarket? Interpret the meaning of p-value in (i).
Let X be the number of tumors in a fish living in a river. Suppose that it has the following probability mass function f(0) = 0.9 f(1) = 0.7 f(2) = 0.02 f(3) = 0.01 A random sample of size n = 30 is selected from this population. Approximate the p..
Trevor is interested in purchasing the local hardware/sporting goods in the small town of Dove creek, Montana. After examing accounting records for the past several years
The ANOVA procedure is a statistical approach for determining whether or not:
Conduct post hoc comparisons with the LSD method. Which groups differ significantly at α = 0.05?
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