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Probability Statistics

01/13/22

The letters that form the word MISSISSIPPI are placed in a bowl. What are the odds of choosing a “P”?

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Probability Statistics

01/13/22

The letters that form the word MISSISSIPPI are placed in a bowl. What are the odds of choosing a “P”?

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Probability

01/12/22

De Moivre–Laplace theorem By wiki

https://en.m.wikipedia.org/wiki/De_Moivre%E2%80%93Laplace_theorem. Above is the wiki link related to De Moivre–Laplace theorem. And given by the condition of proof 1,my question is why p(n,... more

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Probability

01/12/22

Jordan is buying two goldfish the aquarium has 6 solid orange fish and 8 spotted fish. What is the probability that Jordan selects two spotted fish

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Probability

01/10/22

specific probability

A certain internet cafe assigns a 4 character log in (At random) These Characters are composed of all the letters of the alphabet including upper case and lower case plus 0-9. So if i am counting... more

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Probability Microsoft Excel Statistics Data

01/08/22

statistics probbality data analysis

An airline is deciding how much to overbook a flight. The plane has 175 seats. Historically, 95 percent of those with a reservation will actually show up. The airline charges $500 for each seat on... more

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Probability Math Maths Combination

01/06/22

Password Combination

Here is the answer I want to ask... Please help to solve this question.The password of a system consists 3 capital letters selected from A-Z. Repetition use of any letters is allowed. Find the... more

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Probability Microsoft Excel Statistics Data

01/04/22

Probability statistics data analysis excel

A hospital is trying to decide how many new rooms to add to a new wing they are building. Each new room will contain one bed. There are currently 100 rooms. Each new room will cost $80,000 for... more

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Probability

01/04/22

20% of the population is unvaccinated, 29% of total hospitalizations are unvaccinated. how much more likely is someone unvaccinated to end up in the hospital

20% of population unvaccinated 29% of patients in hospital are unvaccinated how much more likely is someone unvaccinated to end up in the hospital

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Probability Statistics

01/03/22

Card game - spades

In the card game Spades each player is dealt 13 cards. The player with the 2 of clubs starts the game and plays that card. The person to the left then plays their lowest club, followed by the next... more

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Probability Statistics Data Data Science

01/02/22

Probability data analysis statistics

A hospital is trying to decide how many new rooms to add to a new wing they are building. Each new room will contain one bed. There are currently 100 rooms. Each new room will cost $80,000 for... more

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Probability

01/01/22

The maximum weight that an elevator in an apartment complex can accommodate is 800 kg. What is the probability that the lift safety reaches the ground when there are 10 adult in the life.

How to solve probability question .

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Probability Statistics

12/31/21

Card game - Spades

In the card game Spades each player is dealt 13 cards. The player with the 2 of clubs starts the game and plays that card. The person to the left then plays their lowest club, followed by the... more

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Probability Microsoft Excel

12/30/21

Probability expected contribution

A hospital is trying to decide how many new rooms to add to a new wing they are building. Each new room will contain one bed. There are currently 100 rooms. Each new room will cost $80,000 for... more

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Probability Microsoft Excel

12/30/21

Probability decision analysis excel

A hospital is trying to decide how many new rooms to add to a new wing they are building. Each new room will contain one bed. There are currently 100 rooms. Each new room will cost $80,000 for... more

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Answers •1

Probability Microsoft Excel

12/30/21

Probability decision analysis

Bank Chicago is investigating mistakes at three of its branches to try to determine the major causes of these mistakes. Branch three has the lowest percentage of mistakes, with one percent of... more

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Probability Microsoft Excel Data Science

12/30/21

Probability decision analysis

Bank Chicago is investigating mistakes at three of its branches to try to determine the major causes of these mistakes. Branch three has the lowest percentage of mistakes, with one percent of... more

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Probability Statistics Markov Chain Recurrence

12/28/21

How to use the Recursive method to calculate the average number of times that the Markov chain visits a given state ?

Dear expert,In the insight of what mentioned in the appendix of this article,https://link.springer.com/article/10.1007/s11538-011-9638-4My question is, if we already have the transition probability... more

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Probability Statics

12/23/21

STSSTTTSST is a string of letters which does not include the consecutive letters STTS. How many more strings of ten letters that do not include the consecutive letter STTS?

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Probability Statistics

12/21/21

what is/are the critical values?

The data in the accompanying table represent the compressive strength, in thousands of pounds per square inch (psi), of 20 samples of concrete taken two and seven days after pouring. Complete... more

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Probability Statistics

12/21/21

What is the test statistic zstat= ?

A cellphone provider has a business objective of wanting to determine the proportion of subscribers who would upgrade to a new cellphone with improved features if it were made available at a... more

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Probability Statistics

12/21/21

what is the test statistic here? Zstat = ?

A cellphone provider has the business objective of wanting to determine the proportion of subscribers who would upgrade to a new cellphone with improved features if it were made available at a... more

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Probability Statistics

12/21/21

The worldwide market share for a web browser was 20.5% in a recent month. Suppose that a sample of 240 random students at a certain university finds that 60 use the browser.

b. Suppose that a sample of n=800 students at the same university (instead of n=240) determines that 25% of the sample use the web browser. At the 0.01 level of significance, is there evidence... more

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Probability Statistics

12/21/21

The data in the accompanying table represent the compressive strength, in thousands of pounds per square inch (psi), of 20 samples of concrete taken two and seven days after pouring.

Sample Two days Seven... more

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Probability Statistics

12/20/21

If X=70, S=12, and n=16, and assuming that the population is normally distributed, construct a 90% confidence interval estimate of the population mean, μ. please round to two decimal places.

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The letters that form the word MISSISSIPPI are placed in a bowl. What are the odds of choosing a “P”?

The letters that form the word MISSISSIPPI are placed in a bowl. What are the odds of choosing a “P”?

De Moivre–Laplace theorem By wiki

Jordan is buying two goldfish the aquarium has 6 solid orange fish and 8 spotted fish. What is the probability that Jordan selects two spotted fish

specific probability

statistics probbality data analysis

Password Combination

Probability statistics data analysis excel

20% of the population is unvaccinated, 29% of total hospitalizations are unvaccinated. how much more likely is someone unvaccinated to end up in the hospital

Card game - spades

Probability data analysis statistics

The maximum weight that an elevator in an apartment complex can accommodate is 800 kg. What is the probability that the lift safety reaches the ground when there are 10 adult in the life.

Card game - Spades

Probability expected contribution

Probability decision analysis excel

Probability decision analysis

Probability decision analysis

How to use the Recursive method to calculate the average number of times that the Markov chain visits a given state ?

STSSTTTSST is a string of letters which does not include the consecutive letters STTS. How many more strings of ten letters that do not include the consecutive letter STTS?

what is/are the critical values?

What is the test statistic zstat= ?

what is the test statistic here? Zstat = ?

The worldwide market share for a web browser was 20.5​% in a recent month. Suppose that a sample of 240 random students at a certain university finds that 60 use the browser.

The data in the accompanying table represent the compressive​ strength, in thousands of pounds per square inch​ (psi), of 20 samples of concrete taken two and seven days after pouring.

If X=70​, S=12​, and n=16​, and assuming that the population is normally​ distributed, construct a 90% confidence interval estimate of the population​ mean, μ. please round to two decimal places.

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The worldwide market share for a web browser was 20.5% in a recent month. Suppose that a sample of 240 random students at a certain university finds that 60 use the browser.

The data in the accompanying table represent the compressive strength, in thousands of pounds per square inch (psi), of 20 samples of concrete taken two and seven days after pouring.

If X=70, S=12, and n=16, and assuming that the population is normally distributed, construct a 90% confidence interval estimate of the population mean, μ. please round to two decimal places.