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Question: 1. Now that you know the proportion of students with scores between 30 and 40, would you expect to find the same proportion between scores of 20 and 30? If so, why? If not, why not?
2. Calculate the proportion of scores between 20 and 30. Be careful with this one; drawing a picture is especially advised.
What is the largest possible value of the covariance? Remember that r can be positive or negative and what is the covariance between X and Y
Sales volumes are expected to be either 20000 units with 60 percent probability or they are expected to be 25000 units. Price will either be $10 (0.3 probability) or else $15. Margins are expected to be either to be 30 percent or 40 percent of sal..
For the observations.- verify that the sample mean, 20% trimmed mean, and median are X¯ = 33.33, X¯ t = 32.9, and M = 35.
Your argument should highlight how society remembers your historical figure nown outline of how you would choose to communicate.
Assume that the number of calories in a McDonald's Egg McMuffin is a normally distributed random variable with a mean of 290 calories and a standard deviation of 14 calories. What is the probability that a particular serving contains fewer than 300..
Income from continuing operations sometimes includes gains from nonoperating activities.
a piggy bank contains one penny one nickel one dime and one quarter. it is shaken until two coins fall out at random.
A political strategist believes that less than 55% of voters in a certain state support a particular issue. He then commisions a poll of 500 voters and 54% of them support this issue. If = .05, is the political strategist's belief warranted?
In a recent year, the average price of a Microsoft Windows Upgrade was $90.28 according to PC Data. Assume that prices of the Microsoft Windows Upgrade.
A researcher is comparing two antihypertensive drugs A and B with regards to reduction of patient's systolic blood pressure (SBP). Baseline SBP is measured for two groups of patients.
in a certain population 1 of the individuals are infected with a certain virus. a test is applied to the whole
A random sample of 10 diners gives an average rating of 96 and standard deviation of 1. What should be Vrinat's posterior distribution of average rating.
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