5,395 Answered Questions for the topic probability

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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Probability Math Algebra 1 Algebra 2

04/17/21

Calculate the probability of k successes for a binomial experiment consisting of n trials with the probability p of success on each trial: k ≥, n=5, p=0.2
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Probability Math Algebra 1 Algebra 2

04/17/21

Calculate the probability of picking 8 cards from a stand 52-card deck, with replacement, and getting exactly 3 spades.
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04/16/21

Problem on probability

Three cards are selected at random without replacement from a deck which contains 3 red, 3blue, 3 green, and 3 black cards. Give a sample space for this experiment and define the events:A: all the... more
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Probability

04/16/21

Basic Probability question

A cigarette company packs 1to 5 different slips, labelled a, b,c,d,e, respectively, with each pack it produces. Suppose that you buy 2 packs of cigarettes of this brand. What is a good sample space... more
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Probability Statistics

04/16/21

In the rolling or two fair dice calculate the following

P(Sum of the two dice is 9)=P(sum of the two dice is 6)=P(sum of the two dice is not 7)=P(sum of the two dice is 5 or 8)=P(sum of the two dice is not 4 and not 10)=
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Probability Math Statistics

04/15/21

Given that there are 1, 485 people you need to take for a survey for their drink preferences. Determine the sample if the error tolerance is 5%
how to calculate this help
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Probability Math Spinner White

04/14/21

Probability Question
A spinner has 10 equal pieces, 4 white, 3 black and 3 gray. Linda spun it 50 times. She got 17 White, 14 Gray, and 19 black. Assuming that the spinner is fair, compute the theoretical probability... more
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Probability

04/13/21

Find the probability that the yearly energy consumption of a randomly selected house is more than 1100 kWh.
yearly energy consumption levels for houses are normally distributed with a mean of 1200 kWh and a standard deviation of 200 kWh. Find the probability that the yearly energy consumption of a... more
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Probability Geometry

04/13/21

A bowl contains 25 balls numbered 1 to 25. A ball is drawn and its number is noted. Without replacing the first ball, another ball is drawn.

The probability that the numbers on both balls are odd numbers is___
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