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Events A and B are mutually exclusive. Which of the following statements is also true?
-A and B are also independent.
-P(A ∪ B) = P(A)P(B)
-P(A ∪ B) = P(A) + P(B)
-P(A ∩ B) = P(A) + P(B)
If A and B are independent events, then
-P(A) must be equal to P(B)
-P(A) must be greater than P(B)
-P(A) must be less than P(B)
-P(A) must be equal to P(A¦B)
Construct histograms and a scatterplot of the values of your two scales, and compute the correlation between the two scales. (4 points)
a fire detection device utilizes three temperature-sensitive cells acting independently in such a manner that any one
What was the cost to manufacture each additional Kinect? Use the cost function to estimate the cost of manufacturing 22 Kinects in an hour.
Construct a frequency distribution and histogram using 12 classes, using 51 as the lower limit of the first class. Compare your results with those in parts a and b. Which distribution gives the best information about the desirability of this line ..
In a hypothesis testing, if the p-value is less than the significance level α, we do not have sufficient evidence to reject the null hypothesis.
A teacher wants to estimate the average pa of all teachers in a district. She wants to be 95% sure her estimate is correct. The standard deviation is $1,000, how large must her sample be to be accurate within $200?
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Consider an N -letter source with probabilities- Prove that the discrete distribution that maximizes the entropy is a uniform distribution.
The standard error of the estimate can be used to determine a range within which the independent X variables can be predicted with varying degrees of statistical confidence based on the regression coefficients and the value for the Y variable.
Evaluate the significance of the hypothesis that the randomized algorithm has a lower average runtime than the known comparison algorithm. As before, explain and list your calculations, test choices, and conclusion drawn.
Find mean, median, mode, range, variance and standard deviation separately for every type of business - How well the model fits the data
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