Newest probability Questions | Wyzant Ask An Expert

10/09/20

A pair of fair dice is rolled and the numbers noted. What is the probability that the sum is 8 given that at least one die shows a 3?

I have tried to get this question right for days. I honestly hate probabilities but anyway. Can someone explain to me how to solve this? Thanks a bunch!

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Answers •1

Probability

10/09/20

How many 5 code letter symbols can be formed with the letters A,B,C and D if we allow a letter to occur more than once

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Answers •1

Probability

10/08/20

An experiment consists of rolling two fair dice and adding the dots on the two sides facing up. What is the probability that the sum of the dots is 11?

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Answers •1

Probability Math

10/08/20

How many ways can a club of 20 members elect a president, vice president, secretary, and treasurer? Is this problem a permutation or combination? How do you know?

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Answers •1

Probability Math

10/08/20

I need help with this math problem.

A deli has a lunch special which consists of a sandwich, soup, salad, and drink for $8.99. They offer the following choices: Sandwich--chicken salad, tuna, and roast beef; Soup--chicken noodle,... more

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Probability

10/08/20

Probability on committee making

A committee of 5 people is to be formed randomly from a group of 10 women and 5 men, what is the probability that the committee has at least 2 men?

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Answers •1

Probability

10/08/20

Probability (Mutually Exclusive and Independence)

Events a, b, and c.a and b are mutually exclusive.a and c are independent. P(a), P(b), P(aUc), P(bUc) are given. How do I find P(c)?

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Answers •1

Probability Statistics

10/07/20

what is the expect profit?

A game is played in a way that you draw three cards from a standard deck of 52 cards. If all the cards are queens, then you win 100,000 pesos. Otherwise, you pay 500 pesos. If you play this game... more

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Probability

10/06/20

How many schedules are there for the following:

Jo is going on a 8 day activities holiday, each day she can choose 1 activity from 3, which are, kayaking, sailing and land-based sports. Jo never does different water sports on consecutive days,... more

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Probability Statistics

10/04/20

Suppose that you have 4 green cards and 5 yellow cards. The cards are well shuffled. You randomly draw two cards without replacement.

P(At least 1 green) =

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Probability Statistics

10/04/20

According to Masterfoods, the company that manufactures M&M’s, 12% of peanut M&M’s are brown, 15% are yellow, 12% are red, 23% are blue, 23% are orange and 15% are green.

If you randomly select four peanut M&M’s, compute that probability that at least one of them is yellow.

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Answers •3

Probability Math

10/02/20

You play a gambling game with a friend in which you win 25% of the time and lose 75% of the time.

You play a gambling game with a friend in which you win 25% of the time and lose 75% of the time. When you lose, you lose $1. What profit should you earn when you win, in order for the game to be... more

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Answers •1

Probability Math

10/02/20

A teacher keeps track of the number of absences in a class each day along with their probabilities.

A teacher keeps track of the number of absences in a class each day along with their probabilities. Her results are in this table. Number of Absences ... more

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Answers •1

Probability Statistics

10/02/20

What are the chances that

I have 10 chocolates in a bag: Two are milk chocolate, while the other eight are dark chocolate. One at a time, I randomly pull chocolates from the bag and eat them — that is, until I pick a... more

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Probability

10/01/20

Probilty of number is a multiple of 5

The number 1 to 30 are written on seperate cards. What is the probability that the number is multiple of 5?

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Answers •1

Probability

10/01/20

suppose you pick two cards from a standard deck of cards. Find the probability of selecting a red card or a spade

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Answers •2

Probability

09/29/20

How do I determine the probability I will draw three or more cards with a value of 9 or higher from a standard deck of cards when drawing 5 cards?

Replacement should not be used.Jokers are removed, Aces=1, Jacks=11, Queens=12, and Kings=13

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Probability

09/29/20

What is the probability that a randomly selected freshman will enroll exactly one GE course and that course is not ENG10?

In a survey on college freshmen, the following information were gathered: All freshmen will enroll at least one general education (GE) course. 40% of the freshmen will enroll more than one GE... more

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Probability

09/29/20

Prove rigorously that an event E, independent of all other events, has probability equal to either 0 or 1.

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Probability Statistics Logic

09/29/20

An engineering system consisting of n components is said to be a k-out-of-n system (k . . . n) if the system functions if and only if at least k of the n components function.

Assume that each component independently works with probability 1/2. Find the conditional probability that component 1 is working, given that the system works, when k = 2, n = 3.

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Probability Statistics

09/29/20

If 12 cows are randomly selected from the very large herd to go on the truck, what is the probability their total weight will be over the maximum allowed 5784?

On the distance planet cowabunga, the weights of cows have a normal distribution with a mean of 462 pounds and a standard deviation of 38 pounds. The cow transport truck holds 12 cows and can hold... more

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Probability Statistics

09/26/20

I need help with a probability & statistics question

A mathematics teacher wanted to see the correlation between test scores and homework. The homework grade (x) and test grade (y) are given in the accompanying table. Write the linear regression... more

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Probability

09/26/20

How do I determine the probability I will draw three cards with a value of 8 or higher from a standard deck of cards when drawing five cards?

In this case aces=1, jacks=11, queens=12, kings=13, and jokers are removed from the deck.

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Probability

09/25/20

Find a probability distribution

A 6 sided and 4 sided die are rolled simultaneously. Let X be the number of twos rolled. Find the probability distribution of X.

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Probability Math Physics Statistics

09/25/20

what is the minimum value of X

in golf a typical hole is about 400-yards-long, while the cup measures a 4.25 inches in diameter. Suppose that, with every swing, you hit the ball X percent closer to the center of the hole. For... more

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Answers •2

A pair of fair dice is rolled and the numbers noted. What is the probability that the sum is 8 given that at least one die shows a 3?

How many 5 code letter symbols can be formed with the letters A,B,C and D if we allow a letter to occur more than once

An experiment consists of rolling two fair dice and adding the dots on the two sides facing up. What is the probability that the sum of the dots is 11?

How many ways can a club of 20 members elect a president, vice president, secretary, and treasurer? Is this problem a permutation or combination? How do you know?

I need help with this math problem.

Probability on committee making

Probability (Mutually Exclusive and Independence)

what is the expect profit?

How many schedules are there for the following:

Suppose that you have 4 green cards and 5 yellow cards. The cards are well shuffled. You randomly draw two cards without replacement.

According to Masterfoods, the company that manufactures M&M’s, 12% of peanut M&M’s are brown, 15% are yellow, 12% are red, 23% are blue, 23% are orange and 15% are green.

You play a gambling game with a friend in which you win 25% of the time and lose 75% of the time.

A teacher keeps track of the number of absences in a class each day along with their probabilities.

What are the chances that

Probilty of number is a multiple of 5

suppose you pick two cards from a standard deck of cards. Find the probability of selecting a red card or a spade

How do I determine the probability I will draw three or more cards with a value of 9 or higher from a standard deck of cards when drawing 5 cards?

What is the probability that a randomly selected freshman will enroll exactly one GE course and that course is not ENG10?

Prove rigorously that an event E, independent of all other events, has probability equal to either 0 or 1.

An engineering system consisting of n components is said to be a k-out-of-n system (k . . . n) if the system functions if and only if at least k of the n components function.

If 12 cows are randomly selected from the very large herd to go on the truck, what is the probability their total weight will be over the maximum allowed 5784?

I need help with a probability & statistics question

How do I determine the probability I will draw three cards with a value of 8 or higher from a standard deck of cards when drawing five cards?

Find a probability distribution

what is the minimum value of X

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