5,341 Answered Questions for the topic probability

Probability Math Algebra 1 Algebra 2

04/21/21

You toss a coin 3 times. Find the probability that you toss exactly 2 heads.

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Probability Math Algebra 1 Algebra 1

04/21/21

A data set has a mean of 100 and a standard deviation of 20. What is the approximate probability of picking a data item that is less than 80?
Answer choices:a) 0.8427b) 0.1573c) 0.1359d) 0.0214
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Probability Statistics

04/21/21

Find the probability

Given P(A) = 0.6 and P(B) = 0.8, do the following: (a) If A and B are independent events, compute P(A and B).  (b) If P(A | B) = 0.5, compute P(A and B). 
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Probability Statistics

04/21/21

Find the probability
If the probability of being hospitalized during a certain year is 0.21, find the probability that no one in a family of three will be hospitalized that year.The probability is  . (Round your answer... more
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Probability Math Algebra 1 Algebra 2

04/21/21

A data set has a mean of 100 and a standard deviation of 20. What is the probability of picking a data item that is between 60 and 120?
answer choices:a) 0.3413b) 0.6000c) 0.6826d) 0.8185
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Probability Math Algebra 1 Algebra 2

04/21/21

In how many ways can a magazine select 4 amateur photos for publication from 42 photos that were submitted?

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Probability Math Algebra 1 Algebra 2

04/21/21

In how many ways can a magazine select 4 amateur photos for publication from 42 photos that were submitted?

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Probability Math Algebra 1 Algebra 2

04/21/21

Can you answer this probability problem?
A distance medley relay team has 4 runners who each run a different distance during the race. If there are 16 athletes on the track team, how many different ways can the athletes be selected to... more
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Probability Basic Math Basic Que.

04/20/21

Probability question

Que. URN 1 contains 2 red and 4 Blue balls, urn 2 contains 10 red and 2 Blue Balls. if an URN is chosen at random and a ball is removed from the chosen urn, what is the probability that the... more
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04/20/21

Probability in finite math
In a certain congressional district, it is known that 60% of the registered voters classify themselves as conservatives. If ten registered voters are selected at random from this district, what... more
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04/20/21

Question on probability

Que. How many 5-man squads could be chosen from a company of 20 men?
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Probability Statistics

04/19/21

Probability and Statistics
The total number of cars in a parking lot is 4582. Out of all those cars, 2856 are neutral colors. What is the probability of selecting a car that is not a neutral color, if picked randomly out of... more
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Probability

04/19/21

How many 6-character license plates are possible if the first two characters must be an uppercase letters, the last four must be digits 0-9, and repeated characters are allowed?
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Probability Finite Math

04/19/21

What is the Probability (?)
Find C(n, x)pxqn − x for the given values of n, x, and p. (Round your answer to four decimal places.) n=9, x=6, p=1/4 Find C(n, x)pxqn − x for the given values of n, x, and p. (Round your... more
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Probability Basic Math

04/19/21

Question on probability

Quen: In a pharmaceutical study, two drugs (A and B) and a placebo are to be compared for effects. Fifty people are to be used in the study, of whom 20 are to receive drug A, 20 receive drug B, and... more
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Probability Basic Math

04/19/21

A problem on probability

Quen: Given a box with 2 25-watt, 3 40-watt, and 4 100-watt bulbs, in how many ways could 3 bulbs be selected from the box?(A). How many of these selections of three bulbs would include both... more
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Probability Statistics Basic Math

04/19/21

Probability question

Quen: Given a set of 15 points in a plane, how many lines would necessary to connect all possible pairs of points?
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Probability Maths Basic Math

04/19/21

Basic quen on probability

Quen: An ant farm contains both red and black ants. A particular passage in the farm is so narrow that only 1 ant can get through at a time. If 4 ants follow each other through the passage, how... more
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Probability Estimation

04/17/21

The data set below shows the amount of trash generated by ten households (in pounds per day). Assume that the population is normally distributed.

The data set below shows the amount of trash generated by ten households (in pounds per day). Assume that the population is normally distributed.... more
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Probability

04/17/21

Suppose in a particular college, 60% of the student population is female.

Suppose in a particular college, 60% of the student population is female. (a) Calculate the probability that a class of 10 students will have exactly four females. (b) Calculate the probability... more
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04/17/21

PROBABILITY, R, STOCHASTIC PROCESSES, BRANCHING PROCESSES
Do you have a friend who seems to answer every single message of yours by giving a very extensive answer? Are you, on the other hand, a person that replies to a message cryptically, but in several... more
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Probability

04/17/21

the percentage of Americans having type B blood is 11%. If four Americans are chosen at random and independently, determine the probability that Exactly one of the four has blood type B
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Probability

04/17/21

A pet store has 12 ​puppies, including 4 ​poodles, 5 ​terriers, and 3 retrievers.

A pet store has 12 ​puppies, including 4 ​poodles, 5 ​terriers, and 3 retrievers. If Rebecka selects one puppy at​ random, the pet store replaces the puppy with a puppy of the same​ breed, then... more
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Probability Math Algebra 1 Algebra 2

04/17/21

Find the mean and standard deviation of a normal distribution that approximates a binomial distribution consisting of 12 trials with 0.42 probability of success on each trial.
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Probability Math Algebra 1 Algebra 2

04/17/21

A normal distribution has a mean of 10 and a standard deviation of 1. Find the probability that a randomly selected value is between 8 and 11.
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