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Let X~ N(μ, σ)
a. Use the properties of moment generating functions to show that aX+b ~ N(aμ +b, aσ).
b. Use the cdf method to show that aX+b ~ N(aμ +b, aσ).
Substance abuse risk and bipolar disorder. Wilens and colleagues (2008) studied the association between bipolar disorder and substance abuse.
You are the general marketing manager of Ford Motor company. The CEO of the company asked you to assess the viability of producing alternative fuel automobiles (ex, ethanol).
Suppose that the duration in minutes of long-distance telephone calls made from a certain city is found to be a random phenomenon
Why are the calculations of a confidence interval still appropriate? According to the central limit theorem any distribution is considered normal.
The population standard deviation is unknown. If you assume that the population mean is 19, find the P-value corresponding to the hypothesis that the average cutthroat trout length is different from 19 (i.e. two-tail test).
the prior probability indicates that there is 50 probability that gold will be found in quantities that would justify
a. How many deaths were observed in this sample of patients? b. Use the product-limit method to estimate the survival function S(t). c. What is S(1), the estimated probability of survival at one month? What is the estimated probability at 5 months? A..
Which combination of factors has greatest likelihood of rejecting null hypothesis?
Find a simple regression model that predicts time to fulfill an order based on value of the order. Interpret the estimated model coefficients.
In a group of six professors selected at random, what is the expected number of extroverts? What is the standard deviation of the distribution?
given that the random variable x has the following cumulative distribution function fx 1 - e-x for x gt 0. find the
you want to test a research centers claim that less than 35 of college applications are submitted online. a hypothesis
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