Select six bills at random
A box contains 4 one-dollar bills and 3 five-dollar bills. You select six bills at random and without replacement from the box. Let T be the amount you get. What is Var(T)?
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A slot machine has three slots; each will show cherry, a lemon, a star, or a bar when spun. The player wins if all three slots show same three items. If each of four items is equally likely to appear on given spin, what is your probability of winni
A large number n of blood samples are to be screened for HIV. Testing each and every sample separately needs n tests. Pooling half of each sample needs one test if all samples are free from HIV,
Determine how many positive integers with exactly four decimal digits, that is, positive integers between 1000 and 9999 inclusive, have the following properties:
A university recruiter would like to find out the proportion of high school students who plan to apply for financial aid when attending college. She surveys 114 current high school seniors who plan to attend college and finds that 98 plan to apply
(a) Find the average time until you get the flu shot after it is available. (b) Find the standard deviation of time until you get the flu shot after it is available. (c) What is summation of Yi?
What is the probability that a randomly chosen blood donor is type O? A recipient with type A blood may safely receive blood from a donor whose blood does not contain the B antigen. What is the probability that a randomly chosen blood donor may don
Determine the probability that both companies become profitable? Determine the probability that neither company becomes profitable? Determine the probability that at least one of the two companies become profitable?
Capacity buiding, Q1-Describe the relationship between social and legal context of affirmative action ? Q2-Discuss the performance Appraisal system in an organisation and explain some of the appra
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