An ice cream shop offers 25 flavors of ice cream. How many ways are there to select 2 different flavors from these 25 flavors? How many permutations are possible?
Answer to relevant QuestionsA veterinarian assigned to a racetrack has received a tip that one or more of the 12 horses in the third race have been doped. She has time to test only 3 horses. How many ways are there to randomly select 3 horses from ...In how many ways can a sample (without replacement) of 9 items be selected from a population of 20 items? Refer to Exercise 4.8. List all the outcomes included in each of the following events and mention which are simple and which are compound events. a. At most one person is against a tax increase on rich people. b. Exactly two ...The median life of Brand LT5 batteries is 100 hours. What is the probability that in a set of three such batteries, exactly two will last longer than 100 hours? A screening test for a certain disease is prone to giving false positives or false negatives. If a patient being tested has the disease, the probability that the test indicates a (false) negative is .13. If the patient does ...
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