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The University is attempting to set its staffing plan for the next several year, and it wants to determine if the distribution of students among various graduate majors has changed from the historical averages which were: 24% were engineering graduate students, 35% were business majors, 15% were Counseling, 18% were health care and 8% were theology. This year's incoming class had 56 engineering graduate students, 66 business students, 20 counseling, 32 in health care and 26 theology students. Test to see if the distribution of graduate majors has changed (use α = 0.01). Show all information including test statistic, critical value and interpret the results.
A man is in the process of buying a new car. He has a choice of 3 engine makes, 7 body styles and 10 colors. How many different cars does he have to choose from?
Assume a random sample of 16 gasoline stations is selected and their mean cost for regular gasoline is computed. What is the standard error of the mean in this experiment?
a) identify the null and alternative hypothesis, show work b) determine the test statistic, show work c) determine the p value, show work
in 1998 20 of university undergraduate students had at least one tattoo. a health practitioner obtains a random sample
What should the sample size N2 be to increase the confidence level to 99.9% and yet maintain the same interval width, w?
AT&T was running commercials in 1990 aimed at luring back customers who had switched to one of the other long-distance phone service providers. One such commercial shows a businessman trying to reach Phoenix and mistakenly getting Fiji, where a ha..
What fraction of the larger parts are longer than 2.05 inches? - What fraction of the larger parts are between 1.96 inches and 2.02 inches long?
Plot the data, fit a trend line, and discuss the strength of prediction of the regression model.
what is the difference between standard normal distribution and t-distribution?could anyone help me this
For thefts involving more than $1,000, there is an inverse relationship between the value of the goods stolen and the length of the prison sentence given to the thief.
Standard deviation of 0.04135 (4.135%). Treating the next 12 months as a random sample, what is the probability that the mean rate of return will be positive?
The number of viewers of American Idol has a mean of 33 million with a standard deviation of 10 million. What is the probability that next week's show will: Have between 37 and 44 million viewers?
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