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The campus vets club is having a raffle and is selling 1,200 tickets. If the people on your floor of the dorm bought 200 of those tickets, what is the probability that someone on your floor will hold the winning ticket?
Find the probability that the first ball drawn is red and the second ball drawn is green. Place your answer, rounded to 4 decimal places, in the blank.
A p-value of 0.82 obtained for a particular hypothesis test would indicate strong evidence that the null hypothesis is true. Discuss.
I did a study correlating net profit per location with expenditures on an in-house promotion, and got a correlation of about .15, and that was received very well.
How to calculate the trimmed mean for each sample by deleting the smallest and largest observation and then corresponding trimming percent ages.
A report on the U.S. economy indicates that 28% of Americans have experienced difficulty in making mortgage payments. A news organization randomly sampled 400 Americans from 10 cities named the "fastest dying cities in the U.S."
How would I go about finding the probabilities for the following discrete random variables? Among a shipment of 5,000 tires, 1,000 are slightly blemished. If one purchases 10 of these tires, what is the probability that 3 or less (P (x
If 36 women are selected at random, find the mean, and standard deviation, of the population of sample means. Suppose that the sampling is done without replacement and use a finite population correction factor.
This activity is a revision of an activity found in Real Data: A Statistics Workbook Based on Empirical Data by Z. C Holcomb (1997). Published by Pyrczak Publishing.
a) Test whether there is a difference between attitudes in the 2 cities. Use a 95% alpha. b) What does your result say about attitude consistency across cities?
Probability of Winning the Lottery: Because the California Fantasy 5 lottery is won by selecting the correct five numbers
An average computer mouse inspector can inspect 60 mice per hour with a population standardx deviation of 10 mice per hour. The 48 computer mice inspectors at a particular factory can only inspect 55 mice per hour. Does the company have reaseon to..
What is the distinction between a one-sided and a two-sided hypothesis test in this problem?
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