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Question: More NCAA rules. For Division I athletes the NCAA uses a sliding scale, based on both core GPA and the combined Mathematics and Critical Reading SAT score, to determine eligibility to compete in the first year of college. For athletes with a core GPA of 3.0, a score of at least 620 on the combined Mathematics and Critical Reading sections of the SAT exam is required. Use the information in the previous exercise to find the percentage of all SAT scores of college-bound seniors that are less than 620.
If n = 10 observations are randomly sampled from a distribution with mean µ = 9 and variance σ 2 = 8, what is the mean and variance of the sample mean?
The sequence of visits is as shown below for male (M) versus female (F) managers. Using the 0.10 level of significance, evaluate the randomness of the sequence.
The mean annual salary paid to all employees in a company was EURO 30.000. The mean annual salaries paid to male and female employees of the company were EURO 32.000, and 24.000, respectively. Determine the percentage of males and females employed..
suppose that the skewness associated with the residuals from a multiple regression of 88 observations is -0.3 and the
The time needed to drive from town A to town B is normally distributed with a mean of 180 minutes and standard deviation of 20 minutes. What is the probability that a person will drive from town A to town B
how do you find chi square left and chi square right using the ti-84 plus given that you know the confidence level
The samples do indicate that university A's students are younger than university B's; but is the difference significant at the 1% level?
a newspaper found the mean price for redwood city homes is 927200. with 18 homes sold in the past month the mean for
We assume that we have selected two independent random samples from populations having proportions p 1 and p 2 and that p-hat 1 = 800/1000 and p-hat 2 = 950/1000
can we conclude that women think men are less kind, gentle, and thoughtful in the later survey compared with the earlier one? Hint: For the calculations, assume the latter survey as the first sample.
the average time to print a job app in the computer is 20 seconds.a calculate the upper bound on the probability of
The population standard deviation is unknown. If you assume that the population mean is 19, find the P-value corresponding to the hypothesis that the average cutthroat trout length is different from 19 (i.e. two-tail test).
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