5,341 Answered Questions for the topic probability
Probability
06/03/20
Geometry Homework
A bag contains 10 red pens, 15 blue pens, and 20 black pens. Joseph will pull a pen from the bag. When Joseph pulls a pen from the bag, how many outcomes are possible?a. 45b. 10c. 15d. 20
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06/02/20
A worker has 12machines. Every T time, he has a 1/3 change to configure each machine (Each machine has independent chance).What is the probability that he will configure 2 machines in the next T time?
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06/02/20
A drug is being tested on lab mice. 80% of mice die when injected and 20% of mice can resist this drug. For his research, a scientist needs 5 resistant mice.
What is the probability that the scientist killed 25 mice till he got 5 resistant mice in total?
Probability Statistics
06/02/20
Probability and statistics
A binary message is transmitted as a signal that is either -1 with probability of 1-p or +1 with probability of p. The communication channel corrupts the transmission with additive Gaussian noise...
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Probability Statistics
06/02/20
a cube with faces labeled 1 through 6 is rolled. what is p(7)?
Probability
06/01/20
What is the probability of drawing any suit first, followed by drawing a face card?
Using a standard 52 card deck, find the following probability:if 2 cards are randomly selected, what is the probability of drawing any suit first, followed by drawing a face card? Assume without...
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06/01/20
A six-sided die is rolled three times. What is the probability of rolling a one on the first role, rolling a three on the second roll, and rolling a number greater than four on the third roll ?
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Probability Math
06/01/20
In a luck race, 100 people are gonna throw 5 dice each. If a person throws 3 or more "6", they win. Out of 100 people, what is the probability that 6 people will win?
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Probability
06/01/20
A number is chosen at random from 1 to 10. Find the probability of not selecting a multiple of 2
Probability
06/01/20
Please help out
A recent study that the annual cost of maintaining a building in Accra averages 200 cedis with a variance of 260 cedis.If a tax of 30 % is introduced on all items associated with the maintenance of...
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Probability
06/01/20
Please help me with this question
The mean number of errors due to a bug occurring in a minute is 0.0001.What is the probability that no error will occur in 20 minutes.
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Probability
06/01/20
Please I need help
Suppose that at a busy traffic junction, the probability p of an individual car having an accident is 0.0001.During a certain part of the day, 100 cars pass through the junction. What is the...
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Probability
06/01/20
What is the probability of spinning a yellow or green, (in a color wheel of 8 total colors), then rolling a 4 on a single die?
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05/31/20
The following probability question.
A school committee is to consist of 3 teachers and 3 parents, who are chosen randomly from the 20 teachers and 100 parents involved. If half the teachers and 80 parents are women, what is...
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Probability
05/31/20
Probability Lottery Question
The Probability of a $1 winner in a particular state lottery is 1 in 8, the probability of a $5 winner is 1 in 100, and the probability of a $25 winner is 1 in 800. a) What is the probability of...
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Probability
05/31/20
Please answer help me answer this question!
What is the probability of winning a 1st or 2nd prize of a 5/43 lottery?
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Probability
05/31/20
You order 10 burritos to go from a Mexican restaurant, 4 with hot peppers, and 6 without. However, the restaurant forgot to label them.
If you pick three burritos at random, find the probability that at least one has hot peppers.
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Probability
05/31/20
If you flip a fair coin 7 times, what is the probability that you will get exactly 4 tails?
05/31/20
What is the difference between the Beta and Gamma distribution?
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Probability
05/31/20
A fridge contains 8 oranges, 8 apples and 8 pears. You randomly select two fruits one after another. What is the probability of selecting two different kinds of fruit in a row?
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Probability
05/31/20
A local union has ten members, four of whom are men. Three of the members are chosen by a lottery to represent the union on a bargaining council. Find the probability of each event.
a) Two women and one man are chosenb) At least one man is chosen
Probability
05/31/20
Expected Value Question
A player pays $4 to play the following game: He rolls a die and receives $6 if he tosses and a 5 and $2 for anything else. Find the player’s expected net winnings for the game. Is the game fair? If...
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Probability
05/31/20
Expected Value Question
A business man evaluated a proposed venture. He estimated that the probability of making a profit of $9000 is 0.2; the probability of making $5000 is 0.4; the probability of breaking even is 0.3;...
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Probability
05/31/20
Expected Value Question
In a fast food store’s lucky number contest, 25% of the customers win $1, 10% win $10, 4% win $20 and 1% win $50. Find the expected winnings of a customer.
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