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Question: 1. Suppose two dice are rolled. If o is an outcome, let X(o) = the sum of the numbers on the dice. Determine the probability distribution of X, as well as the mean and standard deviation for X.
2. Four coins are tossed. If o is an outcome, let
Determine the probability distribution of X, and its mean and standard deviation.
Use the critical values for z of 1.65 and a p level of approximately 0.10, or 10%. For each of the following values, determine if you would reject or fail to reject the null hypothesis:
in order to determine an interval for the mean of a population with unknown standard deviation a sample of 61 items is
State the main points of the Central Limit Theorem for a mean. Why is population shape of concern when estimating a mean? What does sample size have to do with it?
in a certain class midterm score average out 60 with an sd of 15 as do scores on the final. the correlation between
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Water at 20°C flows through a 5 cm I.D. plastic pipe 100 m long. The velocity of the water at the inlet of the pipe is 4 m/s. The outlet of the pipe discharges to atmosphere and is 35 m above the inlet.
levine inc. is considering an investment that has an expected return of 15 and a standard deviation of 10. what is the
it is hypothesized that there are fluctuations in norepinephrinenelevels wich accompany fluctuations in affect with
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the consumption of two types of manufacturing goods x and y follows a hypothetical joint probability density function
To compete with Netflix, the owner of a movie rental shop decided to try sending DVDs through the mail. In order to determine how many copies of newly released titles he should purchase, he carefully observed turnaround times. Since nearly all of ..
the monthly starting salaries of students who receive an mba degree have a standard deviation of 110. what size
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