5,341 Answered Questions for the topic probability

Probability Algebra 1

05/21/20

Probability Problem: How many such coupon codes can be generated?

A burger chain wants to send codes for a free small drink to the members of its kids club. The coupon code will have one letter, followed by two digits, followed by two letters. The letters R, S,... more
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Probability Algebra 1 Mathematics

05/21/20

What is the probability that a plain pencil from the first box and a color pencil from the second box are selected?
A box contains 5 plain pencils and 5 pens. A second box contains 7 color pencils and 3 crayons. One item from each box is chosen at random. What is the probability that a plain pencil from the... more
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Probability

05/21/20

Mathematics: Probability Test

A burger chain wants to send codes for a free small drink to the members of its kids club. The coupon code will have one letter, followed by two digits, followed by two letters. The letters R, S,... more
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Probability

05/21/20

Probability help please!
In random access communication protocols a population of users is contending for the use of a common channel to transmit their packets, without the control and supervision of a master station. In... more
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05/21/20

Multiple Choice Probability Math Question
An analyst examining the analytics for her company's web site reports that the probability is 0.07 that a visitor will view the page concerning a newsletter subscription, and 0.04 that a visitor... more
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05/21/20

Multiple Choice Probability Question
From a random sample of 1000 Washington adults, it is discovered that there is a probability of 62% that a person drinks alcohol on a regular basis. The given probability is an example of... more
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Probability Math Statistics College

05/21/20

Probability with Marbles
Suppose a bag contains 9 red marbles, 15 blue marbles, and 20 green marbles. If two marbles are drawn from the bag without replacement, what is the probability of drawing one blue and one green... more
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Probability Math Algebra 1

05/20/20

probability question
In a new California lottery game, contestants pick 5 numbers (1-9 inclusive) and must guess exactly three correct in order to win. What’s the probability of winning this lottery?
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Probability Math

05/20/20

Birthday Probability Problem
This table shows the number of birthdays each month for a Grade 6 class. A student is picked at random. What is the probability of each event? a) The student has a birthday in March. b) The student... more
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05/20/20

Hard disks for computers must spin evenly, and one departure from level is called roll. Probability and Statistics

Hard disks for computers must spin evenly, and one departure from level is called roll. The roll for any disk can be modeled as a normal random variable with mean 0.1240 mm. 16 random sample disks... more
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Probability Science Statistics

05/20/20

A random sample of 36 seventh grade students in Harvard are given an exam on a reading test. Below are their raw scores.
73, 77, 80, 80, 84, 86, 91, 93, 93, 93, 94, 97, 100, 100, 103, 103, 104, 105, 105, 106, 108, 110, 111, 117. 120, 120, 123, 124, 126, 128, 129, 129, 130, 130, 136Sample mean =... more
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Probability

05/19/20

Three number cubes are rolled and the results are added. what is the probability that the sum is equal to 3?

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Probability Binomial

05/19/20

A medicine heals 60% of the patients. 10 sick people get this medicine...
A medicine heals 60% of the patients. 10 sick people get this medicine.a) What is the probability that all 10 people are cured?b) What is the probability that at least 1 of the people is cured?c)... more
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Probability Mathematics

05/19/20

probability question of 200 level course
Ninety identical electrical circuits are monitored at an extreme temperature to see how long they last before failing. The 50th failure occurs after 263 minutes. If the failure times are modeled... more
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Probability

05/18/20

What is the experimental probability of rolling a 6

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Probability Math

05/17/20

Probability - Mallory rolls a six-sided die and Rose flips a coin.

Mallory rolls a six-sided die and Rose flips a coin. What is the probability of the girls getting tails and an odd number? Use multiplication to get your answer.
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Probability Math Algebra 1 Algebra 2

05/17/20

Algebra homework help probability and odds
Problem : Jason gets two chances to roll a sum of 8 with the two dice. To further clarify, he can win by either rolling an 8 on his first roll, and if he fails to roll an 8 on his first roll, he... more
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Probability Math Statistics

05/17/20

Don't understand how to find expected value

Consider the following scenario.the five-number bet(a) Find the expected value of each $1 bet in roulette. (Round your answer to three decimal places.)  (b) Interpret it. (Round your answer to one... more
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Probability

05/16/20

What's the probability of bowler takes no wicket in below question?
On an average, a bowler takes a wicket every 8 overs. If bowler bowls 10 overs, what is the probability that the bowler succeeds in taking no wicket in those overs.
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Probability

05/16/20

Maths question probability
urn - A contains 5 red and 5 black balls ; urn-B contain 4 red balls and 8 black balls ; urn - C contains 3 red and 6 black balls. one urn is chosen at random and a ball is drown. the colourbof the... more
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Probability Math Statistics Logic

05/16/20

A real doozy - which situation produces the highest expected roll?
The fifth edition of Dungeons & Dragons introduced a system of “advantage and disadvantage.” When you roll a die “with advantage,” you roll the die twice and keep the higher result. Rolling... more
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Probability

05/15/20

Laura has three friends what is the probability she plays with only her 2 best friends?
Laura has three friends, what is the probability she plays with just 2?
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Probability Math Algebra 1 Algebra 2

05/14/20

Odds Probability
Problem : a) If the sum of the two dice is taken, what is the probability of rolling each possible sum ?b) What is the odds against rolling each possible sum ?
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Probability Math Algebra 1 Algebra 2

05/14/20

Odds probability
Problem : Jason gets two chances to roll a sum of 8 with the two dice. To further clarify, he can win by either rolling an 8 on his first roll, and if he fails to roll an 8 on his first roll, he... more
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Probability Statistics

05/14/20

Probality and Statistics
A driver comes to pick up members of your family for a family reunion. The van holds 7 people, not including the driver. Assuming that none of the babies will be riding in the van, how many... more
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