If you are in a classroom with 15 students, what is the probability that the teacher will not call on you if the teacher selects one student at random? 1 225 15

Q: how to get probability?

A: Probability refers to the likelihood of chance of happening of a particular event. The value of…

Q: You roll two dice. What is the probability that the first one is a 4 or that the sum equals 9?

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Q: My friend Mary lies 20% of the time. She calls me and says that it's currently raining in Amsterdam.…

A: Since Mary lying and its raining in Amsterdam are two independent events

Q: An online quiz has 10 True or False questions. What is the probability that a student got exactly…

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Q: While sitting on a park bench, Tanisha counts that 16 out of 20 people who walk by her have a pet…

A: The objective of this question is to find the probability of two mutually exclusive events: a person…

Q: Lots of games like tennis have a concept of deuce, where if the game is ties at the end you have to…

A: The probability of winning the game is obtained below:From the given information, there are two…

Q: If the probability that an event does no occur is 0.3 determine the probability that the event…

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Q: Two dice are rolled. What is the probability that the sum of the numbers rolled is either 7 or 8?…

A: Given information  Two dice is rolled  Total outcome = 6 x 6 = 36 S={ (1,1) (1,2) (1,3) (1,4) (1,5)…

Q: You roll two dice. What is the probability of rolling a sum of seven? ?

A: Two dices are rolled.

Q: You roll a SIX sided die. What is the probability that the value of the roll will be even?

A: If we roll a 6 sided dice, the possible outcomes are 1,2,3,4,5 and 6 And each outcome is equally…

Q: Two dice are rolled simultaneously. What is the probability that the two scores are different?

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Q: A pair of fair dice are rolled one time. What is the probability that the sum of the two dice is…

A: Here we have to probability that sum of two dice is equal to 4 or sum is odd number when a pair of…

Q: A test for a disease gives an answer "Positive" or "Negative". Because of experimental error, the…

A: Introduction: Denote X as the random variable of interest here, which is the number of wrong test…

Q: If you throw a single die twice, what's the probability of first getting a 3 and then getting…

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Q: What is probability?

A: The chance of occurrence of an event is the probability of that event.

Q: In terms of probability, what does it mean to say that two events are independent?

A: Two events are independent , if we know that occurrence of one event does not affect the probability…

Q: An urn contains forty red marbles and sixty green marbles. Two marbles are selected and discarded,…

A: An urn contains 40 red marbles and 60 green marbles. Total number of marbles in the urn is It is…

Q: Two dice are rolled. The sum of the dice is a 2 or 3. Compute the probability of the compound event…

A: We have given that,  Tw dice are rolled the the sample space (s) is,  s = {(1,1), (1,2),…

Q: You roll a TWELVE sided die. What is the probability that the value of the roll will be two?

A: When a 12 sided die is rolled then there are 12 possible outcomes. [any number from 1-12] If the…

Q: A disease affects 1 out of every 500 people. If you have the disease, you test positive 90% of the…

A: P( a person affected by the disease) = P(D) = 0.002 P( a person not affected by the disease) = P(ND)…