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Probability Statistics

03/29/21

mean and standard deviation

A particular fruit's weights are normally distributed, with a mean of 595 grams and a standard deviation of 29 grams.If you pick 16 fruits at random, then 3% of the time, their mean weight will be... more

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Probability Statistics

03/29/21

Stock probability

Suppose that the value of a stock varies each day from $12.22 to $45.34 with a uniform distribution.Given that the stock is greater than $17, find the probability that the stock is more than $33.... more

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Probability Statistics

03/29/21

Probability of class time

A teacher's class has a continuous uniform distribution between 49.2 mins and 55.5 mins. One class is randomly selected and its probability that the class time is longer than a certain number of... more

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Probability Math Science Philosophy

03/29/21

The statement below is fallacious. Indicate which fallacy the speaker has committed:

"Which is more likely--that the Yankees lose the first game of the series, or that they lose the first game and come back to win? I expect the Yankees to win the series, so I'll take the second... more

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Probability Geometry

03/29/21

Drag the tiles to the correct boxes to complete the pairs.

Two numbers are randomly selected on a number line numbered from one to nine. Match each scenario to its probability:the probability that both numbers are greater than six if the same number can be... more

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Probability Geometry

03/29/21

You are performing two chemistry experiments.

The probability that both experiments are successful is 22%. If the first experiment is successful, the probability that the second experiment is also successful is 31%. What is the probability... more

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Probability

03/29/21

the prize in a lucky draw contain 2 LCD tvs, 3 computer system AND 5 mountain bikes. if you are one of the prize winner what is the probability that you won a LCD tv?

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Probability Statistics

03/28/21

How do you solve D. ?

Dogs weigh more than cats, on average. Suppose a random sample of 40 dogs gives a sample mean of lbs with a standard deviation of and a random sample of 50 cats gives a sample mean of with a... more

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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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mean and standard deviation

Stock probability

Probability of class time

The statement below is fallacious. Indicate which fallacy the speaker has committed:

Drag the tiles to the correct boxes to complete the pairs.

You are performing two chemistry experiments.

the prize in a lucky draw contain 2 LCD tvs, 3 computer system AND 5 mountain bikes. if you are one of the prize winner what is the probability that you won a LCD tv?

How do you solve D. ?

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

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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.