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Probability Statistics

02/06/22

probability and statistics

1. Read the given data ‘TIPS.csv’ as a dataframe named Tips and answer the following question.a) In the tips dataframe, for the variable “total bill” what is the 3rd quartile and... more

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Probability Math

02/06/22

Two coins are tossed 600 times and we get two heads : 138 times, one head : 192 times ; no head : 270times. When two coins are tossed at random, what is the probability of getting : 1 head?

I am getting 6/75 or 0.08is it correct?Total outcomes = 4 x 600 = 24001 head= 192so, 192/2400

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Probability Statistics

02/06/22

probability and statistics

1. There are 3 arrangements of the word DAD, namely DAD, ADD, and DDA. How many arrangements are there of the word ENDURINGLY? 2. There are 13 men and 12 women in a ballroom... more

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Probability Statistics Differential Equations

02/06/22

What is the equation here? 1 person is playing a game guessing a number and has odds of 1/256 so they get the right answer every 4minutes. What if 10 people are playing the same game independently?... more

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Probability

02/04/22

Probability question

There is a 12% probability of a flood in Selangor this year. If a major earthquake does occur, the probability of a flood re-occuring the following year drops to 8%.However, if there is no flood... more

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Probability

02/03/22

what is the probability that, in a random sample of 6 visitors to the website, exactly 2 arrive in error?

A certain company's IT department has found that 17% of all visitors to the company website arrive there in error. (They are actually looking for another website.) If this percentage is correct,... more

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Probability Statistics

02/03/22

An unfair die is tossed. Determine which of the following assignments could be made for the probabilities of each simple outcome. If an assignment cannot be made, tell why.

Question 1 part 1An unfair die is tossed. Determine which of the following assignments could be made for the probabilities of each simple outcome. If an assignment cannot be made, tell why.(a) 𝑃(1)... more

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Probability Statistics

02/02/22

The discrete random variable Z has the following discrete random variable distribution. What is E([Z-2]^2)?

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Probability Statistics

02/02/22

Struggling! Any help would be appriciated. In previous questions i was able to get all z scores but not the probability.

Serum cholesterol is an important risk factor for coronary disease. Suppose that serum cholesterol is approximately normally distributed with mean 217 mg/dL and standard deviation 46.47... more

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Probability Statistics

01/31/22

Find the smallest sigma-algebra for Ω = {−2, −1, 0, 1, 2}

Find the smallest sigma-algebra for which the function X(ω)=2|ω| is a random variable. Ω = {−2, −1, 0, 1, 2}Determine its distribution, probability function and E(X).

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Probability

01/31/22

Probability and standard deviation

You and a friend are working on shooting free throws at basketball practice. Your friend has a season average of making 80% of his shots.a. If the coach asks your friend to shoot 70 times, how many... more

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Probability Math

01/31/22

Probablity: A pinochle deck consists of 48 card, 2 of each of the 9 through the ace in 4 suits. If 2 cards are drawn at random, what is the probability that both will be black or both will be kings?

Schoolwork, I can't figure this out, but I'd like to know how I could solve it

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Probability

01/30/22

Geometric probability and statistics question

About 35% of Americans abstain from the consumption of alcohol if Americans are selected at random find the probability that the 10th person select it will be the first one who doesn’t drink alcohol

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Probability

01/29/22

why cant a negative number, eg -0.9 or-4/9 be a probability

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Probability

01/28/22

Can you prove this? Using Boolean algebra and rules of probability

P(A + B) = P(A) + P(B) − P(A B).

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Probability

01/25/22

What Is the probability that you draw a purple marble, put it back in dry yellow?

There 12 marbles in a bag, 5 yellow in 7 purple. What is the probability that you draw a purple marble, put it back in the in draw yellow? What What is the probability that you drive purple marble,... more

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Probability

01/22/22

probibilty with classes

Maya, a college freshman, is deciding on classes for her first term. She can choose to take some or all of the seven classes from the list below. She must take at least one of them. Astronomy,... more

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Probability

01/21/22

A test consists of ten true/false questions. A student who forgot to study guesses randomly. What is the probability that the student answers exactly five questions correctly?

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Probability

01/21/22

A class has six girls and five boys. If the teacher randomly picks six students. What is the probability that she will pick exactly 3 boys?

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Probability

01/20/22

Selecting a Card If one card is drawn from an ordinary deck of cards, find the probability of getting A 7 or an 8 or a 9

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Probability

01/17/22

Probability when using a spinner twice

Derek and Clarissa are playing a game using a spinner with five evenly sized sections labeled 1 – 5. Each player spins the spinner twice and records the sum of the two numbers. Derek wins if the... more

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Probability Math Statistics Sat Math

01/14/22

How to determine the measures of position from this data below?

There are 40 students in a class and here are their... more

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Probability

01/14/22

Two number cubes labeled 1-6 are rolled.Which set represents the sample space for all the possible outcomes of the sum shown on both number cubes?

A) (1,2,3,4,5,6) ,(B) (1,2,3,4,5,6,7,8,9,10,11,12),(C) (2,3,4,5,6,7,8,9,10,11,12) ,(D) (2,3,4,5,6,7,8,9,10,11)

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Probability

01/14/22

Claire is ordering a milk shake.She has a choice of small,medium,or large,and vanilla or chocolate.Make a tree diagram to determine the number of choices of milk shakes claire can order

Let S=small,M=medium,L=large,V=vanilla,and C=chocolate

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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 and statistics

Two coins are tossed 600 times and we get two heads : 138 times, one head : 192 times ; no head : 270times. When two coins are tossed at random, what is the probability of getting : 1 head?

probability and statistics

Equation help please

Probability question

what is the probability that, in a random sample of 6 visitors to the website, exactly 2 arrive in error?

An unfair die is tossed. Determine which of the following assignments could be made for the probabilities of each simple outcome. If an assignment cannot be made, tell why.

The discrete random variable Z has the following discrete random variable distribution. What is E([Z-2]^2)?

Struggling! Any help would be appriciated. In previous questions i was able to get all z scores but not the probability.

Find the smallest sigma-algebra for Ω = {−2, −1, 0, 1, 2}

Probability and standard deviation

Probablity: A pinochle deck consists of 48 card, 2 of each of the 9 through the ace in 4 suits. If 2 cards are drawn at random, what is the probability that both will be black or both will be kings?

Geometric probability and statistics question

why cant a negative number, eg -0.9 or-4/9 be a probability

Can you prove this? Using Boolean algebra and rules of probability

What Is the probability that you draw a purple marble, put it back in dry yellow?

probibilty with classes

A test consists of ten true/false questions. A student who forgot to study guesses randomly. What is the probability that the student answers exactly five questions correctly?

A class has six girls and five boys. If the teacher randomly picks six students. What is the probability that she will pick exactly 3 boys?

Selecting a Card If one card is drawn from an ordinary deck of cards, find the probability of getting A 7 or an 8 or a 9

Probability when using a spinner twice

How to determine the measures of position from this data below?

Two number cubes labeled 1-6 are rolled.Which set represents the sample space for all the possible outcomes of the sum shown on both number cubes?

Claire is ordering a milk shake.She has a choice of small,medium,or large,and vanilla or chocolate.Make a tree diagram to determine the number of choices of milk shakes claire can order

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

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