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Assume that you plan to use a significance level of = 0.05 to test the claim that p1 = p2. Use the given sample sizes and numbers for successes to find the P-value for the hypothesis test. n1 = 200. n2 = 100. x1 = 11. x2 = 8
In the FBI promotion system, last year's decoration points had a standard deviation equivalent to 7.1. This year 27 of the tested individuals had scores with a standard deviation of 4.2.
The principal randomly selected six students to take an aptitude test. Their scores were: 76.5 85.2 77.9 83.6 71.9 88.6. Determine a 90% confidence interval for the mean score for all students.
find and attach a cross tabulation of data that is of interest to you. write a question for the following along with
A standard deviation of 2.5lb. What is the largest annual per capita consumption of ice cream that can be in the bottom 15%?
CASE STUDY: Are the Fish Safe to Eat? Assessing which Factors affect Mercury Levels in Fish in Maine Lakes.
A leasing firm claims that the mean number of miles driven annually,M , in its leased cars is less than 13020 miles. A random sample of 90 cars leased from this firm had a mean of 12750 annual miles driven.
A bank manager has developed a new system to reduce the time customers spend waiting for teller service during peak hours. The manager hopes that the new system will reduce waiting times from the current 9 to 10 minutes to less than 6 minutes.
What are the inequalites that define the region in the first quadrant. How about 2nd, 3rd and 4th quadrants?
explain the process of the transmembrane process tmp that is the pressure difference between the blood side and the
Is the z value positive or negative? Explain why it should be positive or negative.
suppose that in a box of 20 iphone devices there are 5 with defective antennas. in a draw without replacement if 3
If she actually has 55% of the total vote, what is the probability of getting a sample proportion this small or smaller? Do you think she actually has 55% of the vote? Why or why not?
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