At least in probability means
[DOC File]Homework 3 Solutions
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(a) Explain why you cannot calculate the probability that a randomly selected passenger weighs more than 200 pounds. (b) Find the probability that the total weight of 30 randomly selected passengers exceeds 6000 pounds. Show your work. (Hint: To apply the central limit theorem, restate the problem in terms of the mean weight.) 64.
[DOC File]Probability
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6. If the probability that it will rain on any given day this week is 60%, find the probability that . it will rain exactly 3 out of 7 days this week. There are five questions on a test. What is the probability of getting . at least. 3 questions correct? At least 3 correct means you can get …
[DOC File]PROBABILITY
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In each of those cases you pass at least one of the courses. This means that the only box not covered is the fail history and fail algebra. This means that we can figure out the probability of failing both courses by calculating 1-.80. Once we have that we can fill in the rest of the boxes and answer the questions.
[DOC File]RANDOM VARIABLES: probability distributions, means, …
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Assuming that there is a 0.5 probability of winning a game after winning the coin toss, find the probability of getting at least 235 winning games among the 431 teams that won the coin toss. That is, given n = 431 and p = 0.5, find P(at least 235 wins). np = nq = = =
What is the meaning of 'at least two' and 'at most two' in ...
RANDOM VARIABLES: probability distributions, means, variances. Random Variable = Numeric outcome of a random phenomenon. Discrete example: Consider a bag of 5 balls numbered 3,3,4,9, and 11. Take a ball out at random and note the number and call it X, X is a random variable. Let’s complete the probability distribution of X.
[DOC File]Exam 3 Practice Questions - University of Florida
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3. Let denote the probability of having no two consecutive heads in a sequence of k tosses of a fair coin. Then let be the probability of having at least 2 heads in a row if there are k tosses remaining, i consecutive heads have already appeared, and there has not already been a run of at least 2 heads prior to the current run of i heads in a row.
[DOC File]Homework 4 Solutions - Statistics Department
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a) Find the probability that exactly one licorice stick was eaten. b) Find the probability that at least one banana was eaten. 5) Determine whether the following is a probability distribution. If not, identify the . requirement that is not satisfied. x P(x) 0 0.191 1 0.231 2 -0.014 3 0.157 4 0.268 5 0.167
[DOC File]1) What is the probability that 4 randomly selected people ...
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This means that (where is just the probability of rolling i and since ). Substituting this expression into the sum for gives us , where we have chosen to re-index the sum using . Note that the sum on the right-hand side is a geometric series with ; hence, the expression for should simplify to ...
[DOC File]Test 1 Review - ASU
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What is the probability that the average weight of our 16 subjects is bigger than 193 lbs? 0.4404 0.2743 0.7257 Cannot say from the information provided. 40. Suppose the probability that Barry Bonds, a famous baseball player, gets a hit in a given at bat is p = 0.3.
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