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Question: 1. Two cards are picked in succession (without replacement) from a standard deck. If o is an outcome, let X(o) equal the sum of the numbers on the cards if both cards are numbered; X(o) = 11 if exactly one card is a jack, queen, king or ace; and X(o) = 12 if two of the cards are in the jack, queen, king, ace group. Determine the probability distribution for X, as well as its mean and standard deviation.
2. An experiment is to choose any integer from 1 to 30, inclusively. If o is an outcome, let X(o) = 1 if o is divisible by 2, X(o) = 2 if o is divisible by 3 but not 2, and X(o) = π otherwise. Determine the probability distribution of X, and its mean and standard deviation.
Why is expectation important? Explain what the expected value of an experiment or a business represents. What does it mean to have an expected value of 0? Provide an example of expectation and the use of the formula for expected value.
Describe what assumptions must be met to use this test. Finally, where in your course project data set might you employ a paired t-Test?
The results were analyzed using a mixed design and blocking, and the reported results were as follows.14
If the amounts of the electric bills are normally distributed, find the probability that the mean of the bill for 15 residents will be less than 75 dollars.
Suppose that X represents diameter measurements from a gamma distribution with a mean of 3 mm and a variance of 1.5 mm^2.
suppose strep resistance rates in all cities across the country are actually 0.05.a if samples are taken in a
Use the chi-square goodness-of-fit test to determine whether the observed frequency distribution of data for men is the same as the distribution for women. Let α = .05.
Scenario Four: The Main Street branch of the bank is much larger than the Elm Street location and services more customers on a daily base. Additionally it has upgraded it computer services and facilities making it quicker to service customers at its ..
Describe a way to measure the DV
What fraction of the eggs produced by these hens weigh more than 62 grams?- What's the probability that a dozen randomly selected eggs average more than 62 grams?
Compute the mean square error (MSE) for the 4-week moving average forecast. Use 0.3 to compute the exponential smoothing values for the time series.
Describe the sampling distribution model for the sample mean if the sample size is small.- If we make the sample larger, what happens to the sampling distribution model s shape, center, and spread?
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