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A card is drawn at random from a standard 52-card deck. The conditional probability that the card is a 2 given that a 2 or a 3 was drawn is
A) 20.0% (1/5)B) 25.0% (1/4)C) 33.3% (1/3)D) 50.0% (1/2)
Statistics and Probability, Statistics
Question: In each of the following random experiments, describe the sample space S for the experiment. Then use your intuition and experience to assign a value to the probability p of each of the events A occurring. a. T ...
Amount of emails. Mean=30 Find the probability that 20 emails are received on the first day and 50 emails are received on the second day.
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You are in charge of numbering the homes in a new subdivision. If we were to ue 0 through 9 as our number to use and we want to have 3 digit house numbers, how many unique homes numbers would we potentially be able to pr ...
When Alice spends the day with the babysitter, there is a 0.5 chance she turns on the TV and watches a show. Her little sister Betty cannot turn on the TV by herself. But once the TV is on, Betty watches with probability ...
Suppose you believe that Johnson Company's stock price is going to increase from its current level of $22.50 sometime during the next 6 months. For $250.30 you can buy a 6-month call option giving you the right to buy 10 ...
At a college, 66 % of courses have final exams and 56 % of courses require research papers. Suppose that 45 % of courses have a research paper and a final exam. Find the probability that a course has NONE of these two r ...
A pharmaceutical company claims that the average cold lasts an average of 8.4 days. They are using this as a basis to test new medicines designed to shorten the length of colds. A random sample of 106 people with colds, ...
What are some ways being able to visually see data in a graphic presentation beneficial?
A factory makes parts for laptop computers, including screws. The screws are required to have the right length. The lengths of the screws obey a normal distribution with mean μ=4.25 millimeters and standard deviation σ=0 ...
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