5,395 Answered Questions for the topic probability

Probability

07/08/20

Pencil combinations
There are 22 red pencils, 13 green, 12 yellow and 15 blue. If they are evenly distrubted into groups of 3 with different colors, how many groups will you have?
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Probability Finite Math

07/08/20

Conditional Probability & Independence
Let E and F be disjoint events with P(E) = .2 and P(F) = .3. (a) Find P(E ᴜ F). (b) Find P(E ∩ F).
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Probability Finite Math

07/08/20

Conditional Probability & Independence
Let C and D be independent events with P(C) = .2 and P(D) = .3. (a) Find P(C ᴜ D). (b) Find P(C ∩ D).
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Probability Finite Math

07/08/20

Conditional Probability & Independence
Let E and F be events with P(E) = .4, P(F) = .8, and P(E | F) = .375. What is P(E ∩ F) ?
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Probability Geometry

07/08/20

A coin of radius 1 cm is tossed onto a plane surface that has been tesselated by right triangles whose sides are 8 cm, 15 cm, and 17 cm long. Find the probability that the coin lands within a triangle
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Probability

07/06/20

Finite: Probability
A lot contains 120 parts of which 40 are defective and 80 are good. A sample of three different parts is selected at random. (a) What is the probability that all of the parts selected are good? (b)... more
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Probability

07/06/20

Finite: Probability
A coin is tossed three times. What is the probability that a "heads" came up at least two times?
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Probability

07/06/20

Finite: Probability
A jar has 8 Red, 11 White and 1 Blue marble. A marble is selected at random, its color noted and the marble is replaced. A second marble is selected from the 20 marbles (a) What is the probability... more
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Probability

07/06/20

Finite: Probability
A hat has 5 slips of paper numbered 1, 2, 3, 4, 5. A slip of paper is selected at random and its number noted and the slip is not replaced. A second slip of paper is selected at random. (a) What is... more
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Probability

07/06/20

Card Probability

find the probability of drawing a king and then a queen (without replacement) from a standard deck of cards
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Probability Math

07/06/20

probability problem

There is a bag with 3 yellow marbles 2 blue marbles and 1 green marble. The marbles are shooken up. I pull out 2 marbles one at a time. what is the probability I pick not green then blue. please... more
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Probability Math

07/06/20

probability problem
If you toss a coin 3 times what is the probability you will get 2 heads
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Probability Math

07/06/20

probability problem
Can you please help with this question?Tiffany and Emily are playing a game of flipping coins. Tiffany says I bet when I flip three coins I will get at least 2 heads. Emily thinks not. What is the... more
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Probability

07/06/20

tough probability question, please help
three-fifth of balls from bag A, all the white balls from bag B and one-third of balls form bag c are placed in a new bag d. If 4 balls are picked in random, what is the possibility of three of... more
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Probability Math

07/06/20

If each class is used once per schedule, how many class schedules for next year are possible? 
You are choosing your classes for the upcoming school year.Your schedule consists of 8 classperiods. You have chosen classes A through Hfor next year. Each class is taught during (a) specific... more
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Probability Statistics

07/04/20

If the AQL=0.02, LQL=0.15, alpha=0.1, and beta=0.2 in an acceptance sampling plan for a company, What is the best approximate value of sample size n and acceptance number c
If the AQL=0.02, LQL=0.15, alpha=0.1, and beta=0.2 in an acceptance sampling plan for a company, What is the best approximate value of sample size n and acceptance number c
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Probability

07/04/20

Probability practice problem
If a seed is planted, it has 85% chance in growing. If 8 seeds are planted, what is the probability that exactly 2 don’t grow
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Probability

07/02/20

Probability in consecutive events with a range of acceptable outcomes
There are 82 balls in a bag.25 balls are red, 57 balls are blue (the balls are otherwise identical and equally likely to be drawn).I draw 10 balls consecutively without replacement.What is the... more
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Probability

07/02/20

Example of events satisfying some conditions
Provide an example of three events A,B,C such that P(A∩B∩C) = P(A)P(B)P(C),P(A∩B) = P(A)P(B),P(A∩C) = P(A)P(C) and P(B∩C) ≠ P(B)P(C).
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Probability Math Statistics Logic

07/01/20

Probability - Thank you for answering

thank you very much for the help!
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Probability

06/30/20

Card Probability

Find the probability of drawing an ace and a queen when two cards are drawn without replacement from a standard deck of cards.
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Probability

06/30/20

Card Probability
Find the probability of drawing a 10 or a face card from a standard deck of cards
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Probability

06/27/20

You are offered to bet on a dice throw. This dice has 6 faces (1, 2, 3, 4, 5, 6). You put 1€ on the table.
Which bet would you go for? Detail the reasoning behind your betting choice. What would be your second best option?A If it falls on either 1, 2 , 3 , 4 , 5 you get 1,10€B if it falls on 1 you get... more
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Probability Math Statistics

06/27/20

Random variable X distributes normally. 10% of the distribution is above 125, 20% is below 77. What is the mean and variance of this distribution?
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Probability

06/26/20

Poisson Distribution Question
 A commercial washing machine has non-repairable motor with a constant failure rate of 0.08 failures per year. The service organization has purchased 2 spare motors. If the design life... more
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