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Joe dealt 20 cards from a standard 52-card deck, and the number of red cards exceeded the number of black cards by 8. He reshuffled the cards and dealt 30 cards. This time, the number of red cards exceeded the number of black cards by 10. Determine which deal is closer to the 50/50 ratio of red/black expected of fairly dealt hands from a fair deck and why. A. The first series is closer because 1/10 is farther from 1/2 than is 1/8. B. The series closer to the theoretical 50/50 cannot be determined unless the number of red and black cards for each deal is given. C. The second series is closer because 20/30 is closer to 1/2 than is 14/20. D. The first series is closer because the difference between red and black is smaller than the difference in the second series.
What percentage of the bank's customers carries average daily balances below of $200? What percentage of the bank's customers carries average daily balances between $300 and $700?
Find the probility that a randomly selected student has neigther credit card. Find the probability that a randomly selected student has a Mastercard or a Visa or both.
If random samples, each with n = 9 scores, are selected from a normal population with µ = 80 and σ = 36, then what is the expected value for the distribution of sample means?
Wwhat can we say about the shape of the distribution of the sample mean? What is the standard error of the mean?
JBGHI demands a sample large enough to ensure an error of ± 2% with 90% confidence. What is the necessary sample size?
Deductible amount and limits of liability, are standardized. The sample information is reported below. At the .10 significance level, can we conclude that there is a difference in the amounts quoted?
To be 99% sure that we will not be late in completing the project, what is the requested completion time in work-days?
Construct a frequency distribution that has 5 classes, and draw:
(a) Give a 95% confidence interval for the mean ARSMA score of Mexicans. (b) What assumptions does your condence interval require?
What is the probability that a typical family will purchase and at least 3 tubes of toothpaste in any given month?
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.
Therefore, probably the next Rose Bowl game will be played in freezing cold weather. Strong or weak? cogent or uncogent?
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