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Give an example of misuse statistics and the reason why you believe it is misused off statistics.
Also, Y1 Y2, . . . , Yn , representing yields for corn variety B, constitute a random sample from a normal distribution with mean μ2 and variance σ2. If the X's and Y 's are independent, find the MLE for the common variance σ2. Assume that μ1 and ..
The results are below. Using a 5% significance level, test the hypothesis that the 3 mean commuting mileages are the same.
An electronic device is made up of two components A and B such that the device would work satisfactorily as long as at least one of the components works.
In a certain class, 21% of the students are left-handed. Suppose that a random sample of 66 students is selected. Find the mean number of left-handed students.
Find the moment generating function of their sum and identify the corresponding distribution, its mean and its variance.
the lifetime of a certain type of calculator battery are normally distributed. the mean life is 400 hours and the
1.During a recent year, speeding was reported in 12.9% of all automobile accidents in the United States (The World Almanac 2010).
How do you find the median of a set of data? There are 7 colored pencils in a bag (3 aqua, 2 yellow, and 2 pink). What is the probability of picking out an aqua pencil and then a pink pencil if I do not replace the aqua pencil?
if an experimenter crosses intelligence with attractiveness in a factorial design in which intelligence has three
Let X be a discrete random variable with P(X = -1) = 2p(1 - p) and P(X = k) = pk(1 - p)3-k, k = 0, 1, 2, 3, where p ? (0, 1).
A researcher wonders whether males get paid more, on average, than females at a large firm. She interviews 50 employees and collects data
Suppose we deal five cards from an ordinary 52-card deck. What is the conditional probability that all five cards are spades, given that at least four
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