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The administration at the university of Georgia is interested in determining if a parking problem exists for their students. The administration selects a random sample of 200 students and asks them to estimate the amount of time it took the student to park the last time they were in campus. In addition parking time variable collected by the administration is an example of a ___________ random variable and parking are variable is an example of a ____________ random variable.
A) Continuous, continuous
B) Discrete, discrete
C) Continuous, discrete
D) Discrete, continuous
Standard deviation was increased to 40, determine the overall effect on their society? Would this change be a good thing?
Construct a 90% confidence interval for the proportion of all kernels that would not pop.
Suppose that sales of lemonade and sales of brownies are independent, determine standard deviation in his revenue.
Construct a 90% confidence interval for the standard deviation of the number of hours this firm's employees spend on work-related activities in a typical week.
Ace Machine Works estimates that the probability its lathe tool is properly adjusted is 0.8. When the lathe is properly adjusted, there is a 0.9 probability that the parts produced pass inspection.
A sales person at a company sold 6,903,435 of hardware equipment last year, a figure that represented the eighth decile of sales performance at the company. What can you conclude about the salesperson performance?
The expense ratio of a mutual fund measures the percentage of the fund's assets used to pay for annual administrative overhead. Funds with higher ratios spend more of the fund's return to operate the fund.
For the following cases, determine whether the sampling is dependent or independent. Explain your conclusion.
A random sample of 225 fathers from Littleton, yielded 97 who did not help with child care. Using a .05 level of significance test the claim that the proportion is at least 34%.
What is the probability that the average IQ, from a random sample of 64 individuals, is greater than 102?
Mention your decision regarding the null hypothesis. If H 0 rejected can we conclude that treatment 2 and treatment 3 differ? Use 95 percent level of confidence.
These can have a large impact on tenure and promotion decisions at many institutions. One particular instructor had ratings in 3 courses in one semester as given by the table below for the statement "The instructor is an excellent teacher.
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