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Probability

03/28/21

Probability - When to use Combination v. Permutation

Could someone clarify if a permutation is supposed to be used to solve a problem with no replacement included, using the following question as an example to explain?Jacob has 10 rap, 18 rock, 8... more

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Probability Math Permutation

03/27/21

math permutations pls help

How many different permutations can be made from the letters "REPEATED" if the three E's are consecutive? Find the number of different 8-letter arrangements that can be made from the letters of... more

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Probability

03/26/21

A fair number cube is labeled with the numbers 1 through 6. Which sequence is most likely to result from rolling the cube 15 times?

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Probability

03/25/21

I need help with my probabitly and statistics

Need help The mean percent of childhood asthma in 43 cities is 2.25 a random sample of 32 of these cities is selected .what is the probability that the mean childhood asthma prevalence for the... more

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Probability

03/24/21

What is the probability of not getting a face card from a standard deck of cards?

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Probability Statistics

03/24/21

Probability question

The Department of Homeland Security wants to test a computer virus that it has developed to combat hackers. They plan to test run the virus on randomly selected computers with pre-set "hacker"... more

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Probability

03/24/21

Let X1,X2,...,X12 be independent identically distributed N(3.6,0.70) random variables, with an average X¯. (a) Calculate P(3.2≤X¯≤3.9) (b) Find the value of c for which P(3.6−c≤X¯≤3.6+c)=0.95

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Probability Mathematics Liberal Mathematics

03/24/21

I'm in need of assistance.

A jar contains 6 red marbles numbered 1 to 6 and 8 blue marbles numbered 1 to 8. A marble is drawn at random from the jar. Find the probability the marble is red or odd-numbered.

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Probability Math Statistics Mathematics

03/24/21

STATISTICS HELP! 68, 95, 99.7 rule

Answer these 3 probability questions using the 68-95-99.7 rule. Draw, label, and shade a bell curve for each one. About what percent of Nike shoe sales are ABOVE 6.5? About what percent of Nike... more

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Probability

03/23/21

Probability in math

1. Find the probability of getting 3 heads when tossing a die thrice.2. A coin is tossed once and a die is also rolled once. What is the probability of getting a head and the number 6?3. If a coin... more

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Probability Geometry

03/22/21

In a group of 55 people, 33 are coffee drinkers and 12 are tea drinkers.

Assuming that no one in this group drinks both tea and coffee, what is the probability that a person picked at random from the group does not drink tea or coffee?A. B. C. D.

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Probability Statistics

03/22/21

The proportion of eligible voters in the next election who will vote for the incumbent is assumed to be 53,7%.

What is the probability that in a random sample of 520 voters, less than 48,1% say they will vote for the incumbent?

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Probability

03/20/21

maths entrance bmo

during an early morning drive to work ,Simon encountered 'n' sets of traffic lights each set being red , amber or green as he approached it .He noticed that consecutive lights were never the same... more

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Probability

03/20/21

Find the Z score that separates the top 26% from the bottom 74% of the standard normal distribution

Draw the bell shaped curve, label,Showed the appropriate area, and ride the calculator function to find the answer

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Probability

03/19/21

stathistics please help

In a university faculty members’ annual salary has a mean μ = $50,000 and standard deviation of σ = $3,000. What is the probability that the mean annual salary of a random sample of 25 faculty... more

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Probability

03/19/21

Significantly low values are nothing beats per minute or lower. (Type an integer or a decimal. Do not round.) Significantly high values are nothing beats per minute or higher.

A certain group of test subjects had pulse rates with a mean of 74.6 beats per minute and a standard deviation of 10.5 beats per minute. Use the range rule of thumb to identify the limits... more

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Probability Statistics

03/18/21

Probability of question

Music: What is the probability that the first 8 songs that are played on Kenneth’s playlist are country songs?Exercise PlaylistCountry: 8 songs Rock: 6 songs Rap: 4 songs

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Probability Math

03/18/21

The chances of the winner being from country a, b, or c

This is probably a very simple question and I think I am thinking to far into it.There is a competition, there are 4 contestants left. 2 are from country A, 1 is from country B and 1 is from... more

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Probability

03/18/21

A number cube with faces labeled from 1 to 6 will be rolled once. The number rolled will be recorded as the outcome. Give a sample space in an organized list describing all possible outcomes.

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Probability Math Statistics

03/18/21

1. When a production machine is properly calibrated, it requires an average of 26 seconds per unit produced...

1. When a production machine is properly calibrated, it requires an average of 26 seconds per unit produced, with a standard deviation of 3 seconds. For a simple random sample of n =... more

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Probability Geometry

03/16/21

If the number of equally likely sample outcomes of a single stage of an experiment is 4, what is the total number of elements in the sample space if the experiment has 3 stages?

A. 16B. 12C. 64D. 81

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Probability Geometry

03/16/21

Two 6-sided dice are rolled at the same time.

How many outcomes correspond to the event that the sum of the numbers is 5?A. 2B. 3C. 4D. 5

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Probability Geometry

03/16/21

An experiment consists of tossing a coin and drawing a card, with the card-drawing stage dependent on the result of the coin toss.

If heads occurs, then a card is selected at random from the clubs and spades suits. If tails occurs, then a card is selected at random from the hearts and diamonds suits. What is the size of the... more

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Probability Geometry

03/16/21

A fair coin is tossed 5 times in a row.

The exact probability of the coin landing heads exactly 2 times is ___.

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Probability Finite Math

03/16/21

If P(G) = 0.42, P(H) = 0.59, and P(G ∩ H) = 0.13, find the following probabilities:

4. If P(G) = 0.42, P(H) = 0.59, and P(G ∩ H) = 0.13, find the following probabilities:(a) P(G ∪ H) =(b) (4 points) P(Gc ∪ Hc) =(c) P(Hc ∩ G) =d) P(Hc|G) =

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Probability - When to use Combination v. Permutation

math permutations pls help

A fair number cube is labeled with the numbers 1 through 6. Which sequence is most likely to result from rolling the cube 15 times?

I need help with my probabitly and statistics

What is the probability of not getting a face card from a standard deck of cards?

Probability question

Let X1,X2,...,X12 be independent identically distributed N(3.6,0.70) random variables, with an average X¯. (a) Calculate P(3.2≤X¯≤3.9) (b) Find the value of c for which P(3.6−c≤X¯≤3.6+c)=0.95

I'm in need of assistance.

STATISTICS HELP! 68, 95, 99.7 rule

Probability in math

In a group of 55 people, 33 are coffee drinkers and 12 are tea drinkers.

The proportion of eligible voters in the next election who will vote for the incumbent is assumed to be 53,7%.

maths entrance bmo

Find the Z score that separates the top 26% from the bottom 74% of the standard normal distribution

stathistics please help

Significantly low values are nothing beats per minute or lower. ​(Type an integer or a decimal. Do not​ round.) Significantly high values are nothing beats per minute or higher.

Probability of question

The chances of the winner being from country a, b, or c

A number cube with faces labeled from 1 to 6 will be rolled once. The number rolled will be recorded as the outcome. Give a sample space in an organized list describing all possible outcomes.

1. When a production machine is properly calibrated, it requires an average of 26 seconds per unit produced...

If the number of equally likely sample outcomes of a single stage of an experiment is 4, what is the total number of elements in the sample space if the experiment has 3 stages?

Two 6-sided dice are rolled at the same time.

An experiment consists of tossing a coin and drawing a card, with the card-drawing stage dependent on the result of the coin toss.

A fair coin is tossed 5 times in a row.

If P(G) = 0.42, P(H) = 0.59, and P(G ∩ H) = 0.13, find the following probabilities:

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Significantly low values are nothing beats per minute or lower. (Type an integer or a decimal. Do not round.) Significantly high values are nothing beats per minute or higher.