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The grading policy says the cut-offs for the other grades correspond to the following: bottom 5% receive F, next 10% receive D, next 40% receive C, and next 30% receive B. These cut-offs are based on the N(70, 10) distribution.
A.) give the cutoffs for the grades in this course in terms of standardized scores.
B.) give the cutoffs in terms of actual total scores
A manufacturer of microwaves gathers information on microwave sales from a random sample of 50 stores in a large retail chain. In the sample, the mean number of microwaves sold per store last week was 19, with standard deviation 2.
consider the data to be 1 2 4 0 5 7 8 and 6. calculate the mle estimator for exponential distribution.using methods of
The Texas Transportation institute at texas A&M university conducted a survey to determine the number of hours per year drivers wasted sitting in traffic. the table below shows the number of hours wasted per year sitting in traffic.
Categorize the following as the example of nominal, ordinal, interval, or ratio level of measurement, and define why it represents this level: marital status of company's employees.
If a random sample of 500 students sit for an exam find the probability that 18% to 23% of the students in the sample will pass it the first time.
the following data summarizes the historical demand for a productmonthnbspnbspnbspnbsp actual
What is the centered moving average that would correspond to Quarter 2 in 2006? If we exponentially smooth the data with the a smoothing constant of 0.1, the smoothed value for Quarter 3 in 2004 would be?
Assume the data have bell shaped distribution with a mean of 30 and a standard deviation of 5. Employ the empirical rule to determine the percentage of data within each of the following ranges: 20 to 40, 15 to 45, and 25 to 35.
Please see the attached file for the fully formatted problems. Convert the following equations into logarithmic form:
a manufacturer of paper products wants to compare the variation in daily production levels at two paper mills.
Families in the USA have a monthly magazine that discusses issues related to health and health costs. After surveying 23 of their subscribers
Make a worksheet in Excel for your calculations. (b) Make a histogram of the data. Would you be justified in using a parametric t test that assumes normality?
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