3,465 Answered Questions for the topic probability
Probability Question Normal Distribution
Statistics please help
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Suppose a jar contains 14 red marbles and 39 blue marbles. If you reach in the jar and pull out 2 marbles at random at the same time, find the probability that both are red.
What is the value of C so that the following function is a probability density function? f(x)=Cx^9.5 --> see description
6. Three hundred viewers were asked if they were satisfied with TV coverage of a recent disaster
7. According to a National Health Survey
The data below are the passing scores on an Algebra exam in one class. For this question, round all answers to the nearesttenth, as needed
Suppose the amount of a popular sport drink in bottles leaving the filling machine has a normal distribution with mean 101.5 milliliters (mL)
Two cards are drawn from a standard deck without replacement. What is the probability that the first card is a club and the second card is red? (Round your answer to three decimal places.)
A pair of dice is tossed. Find the probability that the sum on the 2 dice is 8, given that doubles are rolled. (Enter your probability as a fraction.)
Compute the conditional probabilities P(A|B) and P(B|A). (Round your answers to three decimal places.) P(A) = 0.7, P(B) = 0.4, P(A and B) = 0.25
A bag contains 39 U.S. quarters and eleven Canadian quarters. If four quarters are randomly picked from the bag, what is the probability of getting at least one Canadian quarter?
If a person draws five cards from a standard deck (without replacing them), what is the probability that at least one of the cards is a face card? (Round your answer to one decimal place.)
Suppose you ask a friend to randomly choose an integer between 1 and 10, inclusive. What is the probability that the number will be more than 3 or odd? (Enter your probability as a fraction.)
Does the compound event consist of two mutually exclusive events? Two dice are rolled. The sum of the dice is a 5 or a 6. Compute the probability of the compound event occurring.
Evaluate the expression. C(8, 6) · C(7, 5) /C(9, 5)
A professor gives his students 9 essay questions to prepare for an exam. Only 4 of the questions will actually appear on the exam. How many different exams are possible?
Probabilty question nunber 4