What is the sample size for studies with MOE of +/-3.5% and +/-2.8%, with a confidence level of 95%, sample statistics of 50. Suppose the category population was 7500 (less than 10,000)? Remember the FPC. What would be t ...
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Question: You are throwing a party and fill a bowl with 63 ounces of punch. Suppose the expected size of each cup of punch is 2 ounces and the standard deviation of the size of a cup of punch is A ounce and each cup is p ...
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a. How much money would you have to invest today to accumulate ?$3,100 after 4 years if the rate of return on your investment is 15?%? b. What is the present value of ?$3,100 that you will receive after 4 years if ...
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The average starting salary for graduates at a university is $33,000 with a standard deviation of $2,000. If a histogram of the data shows that it takes on a mound shape, the empirical rule says that approximately 68% of ...
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According to an article in the American Heart Association's publication Circulation, 24% of patients who had been hospitalized for an acute myocardial infarction, did not fill their cardiac medication by the seventh day ...
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1) Is the magnitude of an earthquake related to the depth below the surface at which the quake occurs? Let x be the magnitude of an earthquake (on the Richter scale), and let y be the depth (in kilometers) of the qua ...
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Suppose A and B are collectively exhaustive. In addition, P(A) = 0.2 and P(B) = 0.8. Suppose C and D are both mutually exclusive and collectively exhaustive. Further, P(C|A) = 0.7 and P(D|B) = 0.5. What are P(C) and P(D) ...
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A lot contains 15 items and 6 are defective. If two items are drawn at random from the lot, without replacement, what is the probability there is exactly one non-defective? (Hint: You have to use both Multiplication and ...
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On a correlation matrix, you will usually see two values per comparison. The top value for a correlation measurement will be the Pearson correlation, right under that you will see a p-value. I understand when you have a ...
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The height of 5th grade boys is normally distributed with mean μ=57 inches and standard deviation σ=2 inches. What is the probability that the height of a randomly selected 5th grade boy will be between 53 inches and 61 ...
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