5,366 Answered Questions for the topic probability
Probability
06/03/20
Lottery ticket expectation of winning
Suppose 100000 tickets are sold on a lottery. Three prizes are at stake; P25000 for the first, P20000 for the second, and P10000 for the third prize. If you buy a lottery ticket, what is your...
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Probability
06/03/20
geometry homework
Ellie has a standard deck of playing cards and chooses a card at random. Event A is the probability that she draws a card that is a diamond. Event B is the probability that she draws a card from a...
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Probability
06/03/20
geometry homework
In a class of 30 students, 15 own an iphone, 10 own an ipad, and 2 own both. What is the probability that a student chosen at random owns either an iphone or an ipad?a. 12/15b. 27/30c. 5/6d. 23/30
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Probability
06/03/20
geometry homework
A bag contains 2 red, 5 blue, and 2 white marblesFind the probability of randomly picking a red marble, keeping the marble, and then picking a blue marble.a. 10/81b. 1/9c. 5/36d. 7/8
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Probability
06/03/20
geometry homework
Given Event A, Event B, and Event C. Event A and Event B, are mutually exclusive. Event A and Event are not mutually exclusive. P(A) = 0.45 P(B) = 0.35 P(C) = 0.25 What is the probability of the...
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Probability
06/03/20
Geometry Homework
Market research shows that 30% of consumers are likely to purchase an electronic tablet for younger children under age 10. However, only 2% of consumers are likely to buy a laptop for children...
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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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