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Let W1 and W2 be independent geometric random variables with parameters 0.2 and 0.4. Find
a)P(W1=W2)
b)P(W1<W2)
Is is possible to modify a semantic differential scale into a 10-point scale? If so, should the data be treated as ordinal or interval?
Assume for the sake of this question that GRE scores are normally distributed with a mean of 1000 and a standard deviation of 200. What percentage of students taking the exam will get scores of 1400 or higher?
The letters of the word PRESERVE are arranged at random. Then what is the probability that all the 3 E's occur together??
Assuming that this probability does not change, he would like to compute the probability that he will score on 1 or more of his next 4 attempts. He should use?
fx 3x2 - 2x3 for 0 lt x lt 1 with fx 0 if xlt0 and fx 1 if xgt 1 defines a distribution function. find the
The average lifetime is different from 775 hours, a sample of 80 bulbs is used. If the standard deviation is 40 hours and α is equal to 0.01, what values for will result in rejection of the null hypothesis.
what are examples of variables that follow a binomial probability distribution? what are examples of variables that
Descriptive statistics for given data - Evaluate the range, variance, and standard deviation of the data set. Interpret the results in the context of the real-life setting.
The test statistic for a two-sided significance test for a population mean is z = -2.12. What is the corresponding P -value?
The entire batch will be rejected if at least one of those tested is defective. What is the probability that the entire batch wili be rejected?
So what you send is what you see, no more and no less. handgun would it be possible to register this firearm? What is the process?
suppose a manufacturing company makes a certain item. the time to produce each item is normally distributed around a
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