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Suppose that a pair of 20-sided dice are rolled (the sides are numbered 1-20).
a) What is the probability that the sum of the dice is 13?
b) What is the probability that the sum of the dice is at least 36?
c) What is the probability that the sum is divisible by 10?
Probability of fair market is 0.4, and probability of bad market is 0.2, and he wants to maximize his long-run average return. Create the decision table for this problem.
assuming all test scores are different you would like to determine the relative test scores of three classmates using
Is there sufficient evidence to conclude that a majority of U.S. adults feel this way? Test the appropriate hypotheses using a 0.01 significance level.
one strategy for increased sat exam scores is to take the test study on weak areas then retake the test. based on the
What is the difference in using the two formulas below to determine the Critical T Value? When does one know which one to use? Would each produce a different result? Can you provide an example in excel so I can see the formula used?
Please explain the difference between confidence interval and significance level and how they interact or "influence" each other.
Ffind the probability that the face showing up a six turns up between 10 and 30 times. Find the probability that the sum of the face values of the 100 trials is less than 250.
Both days have sample standard deviations of 3.4. Is the average mean of size different from day 1 to day 2?
consider the experiment of drawing two cards from a shuffled deck and then putting them back. what is the probability
A client has an investment portfolio with mean value is equal to 4500 USD, with a standard deviation of 300 USD. What is the probability that the value of her portfolio is between 3900 USD AND 5400 USD?
what is the importance of a 5 significance level? why would you choose 5 as opposed to 10 or 1? what effect does the
Is this statistically significant evidence that the candidate has enough valid signatures overall? Explain.
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