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Overall, the students' class attendance days (per year academic) is normally distributed around 180 days with a standard deviation of 15 days.
What's the probability that the mean number of attendance days will be between 190 and 200?Students that are in the top 5% will receive a 20% off coupon at the "Crazy" cafeteria. What is the minimum number of attendance days that you should have in order to receive such discount?The students at or below the 20%ile of number of attendance days must attend a counseling session with one of the advisers. At least how many attendance days you should have in order to not have to attend such session?How likely (what is the probability) is it to have the number of days attended above 175?How likely (what is the probability) is it that Cri (name not previously mentioned) will have her attendance days between 165 and 205 days?What percentile does an attendance of 220 attendance days rank at?What percentile does an attendance of 180 attendance days rank at?If 9 students (9 = size of the sample) selected randomly attended the school, what's the likelihood that their mean number of attended days will be within 10 days of the population mean?
Metro Real Estate Association is preparing a pamphlet that they feel might be of interest to prospective homebuyers in the Middletown and Brockton areas of the city.
Compute an F-statistic for each linear construct and determine its significance. Also, state what questions each of these contrasts address.
Set up hypotheses and test to find out whether or not population variance is larger than $100.
Collapse the response categories in the following tables so that it meets the assumptions of the chi-square test; than perform the test.
Without performing any calculations, will the interval increase, decrease or stay the same? Which of the values in the formula will change?
What internal and external threats are and could you provide some examples of what would be considered a threat to internal and/or external validity of a study design.
This is an Excel sheet that calculates both probabilities and percentiles for any normal or standard normal probability distribution. Replaces normal probability tables.
Construct a 95% confidence interval for the proportion of adults from the West who say traffic congestion is a serious problem.
Write down the advantages and disadvantages of using computer software for decision making.
Find out the Optimum solution using the given data. Consider the following linear programming problem. Illustrate what is the optimum solution to this problem?
The probability is 90% that the sample percentage will be contained within what symmetrical limits of the population percentage?
Minutes of activity for lean people gad N(526, 107). Withink what limits do active minutes for about 95% of people in each group fall? Use the 68-95-99.7 rule.
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