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A bleary-eyed student awakens on morning, late for an 8:00 class, and pulls two socks out of a drawer that contains two black, six brown, and two blue socks, all randomly arranged. What is the probability that the two he draws are a matched pair?
Compute the probability of seven consecutive points falling above the centerline given a stable process. Is this probability associated with type I or type II error?
Assuming that the distribution of the salaries is normal, what is the probability that the average for this sample is between $36,000 and $42,000.
The ANOVA summary table below is the result of a regression of sales on year of sales. Is the relationship statistically significant at .05? Comment.
understand interpret and be critical of the concepts of statistical signicance and p-values. statistical signicance is
The probabilities .9 and .1 respectively. Give the probability distribution for daily sales. Find the mean and standard deviation of the daily sales.
please answer both questions using a minimum of 100 words. use examples or references to support the solution. all
a random sample of 70 printers discovered that 30 of them were being used in small businesses. find the 95 confidence
Why might driver be tempted not to use seat belt "just on this trip"?
Find a 99% confidence interval for the true mean heart rate of all people with this untreated condition. Show your calculations.
Using a one-sided hypothesis test with a 90% confidence level, which of the following statements do these data support?
The standard deviaiton is 2 pounds. If 15% of the suitcases are overweight, find the maximum weight allowed by the airline. Assume the variable is normally distributed.
If the scores are approximately normal with mean 544 and standard deviation 103, what minimum score would a student need in order to score in the top 10% of those taking the test?
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