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Suppose that P(A) = 0.4 and P(A∩B) = 0.12
(a) Find P(B|A)
(b) Are the events A and B mutually exclusive?
If P(B) = 0.3, are events A and B independent?
If 15% of the suitcases are overweight, find the maximum weight allowed by the airline. Assume the variable is normally distributed.
Find the probability of a type I error α if the true proportion is p=0.6.
the heights of 18-year-old men are approximately normally distributed with mean 68 inches and standard deviation 3
Standard deviation = 30 (Source: U.S. National Center for Health Statistics). Levels above 200 warrant attention. Find the probability that a teenage boy has a cholesterol level greater than 200.
During recent seasons, Major League Baseball has been criticized for the length of the games. A report indicated that the average game lasts 3 hours and 30 minutes.
The probability the champion is UCLA is 20%. What do these results say about testing with group data? Include in your answer the URLs of the sites where you found the necessary data.
When you have a factorial ANOVA and the interaction effect is significant, does the researcher give much attention to any significant main effects when interpreting the results of the study?
The population standard deviation is 100 hours. A random sample of 64 bulbs indicates the mean is 350 hours. At the .05 is there evidence that the mean life is different than 375 hours?
Show all necessary components of a full hypothesis test, including a source table - Can the office determine if there was a significant difference between the waiting room conditions
Can you use the usual algorithms for addition and subtraction without treating zero as a number? Explain.
Bob Billy is an operations analyst for Dollar-Does-It stores based in Iva, SC. He is currently studying the order and stocking policies for top-selling toy.
If the shop does not want to give more than 1% of its customers a free lube and oil change service, how long should the guarantee be?
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