5,341 Answered Questions for the topic probability

Probability

10/26/22

A ball is drawn randomly from a jar that contains 9 red balls, 2 white balls, and 3 yellow balls. Find the probability of the given event. Write your answers as reduced fractions or whole numbers.

(a) P(A red ball is drawn) =   (b) P(A white ball is drawn) =   (c) P(A yellow ball is drawn) =   (d) P(A green ball is drawn) =   
Probability

10/26/22

A die is rolled. Find the probability of the given event. Write your answers as whole numbers or reduced fractions.

(a) The number showing is a 4 P(4) = (b) The number showing is an even number P(even) =(c) The number showing is greater than 3 P(greater than 3) =
Probability

10/26/22

If you randomly select a card from a well-shuffled standard deck of 52 cards, determine the probability that the card you select is a 10.

a) Write your answer as a reduced fraction.b) Write your answer as a decimal, rounded to the nearest thousandth.c) Write your answer as a percent. Round to the nearest tenth of a percent as needed. 
Probability

10/26/22

A card is drawn randomly from a standard 52-card deck. Find the probability of the given event. Write your answers as reduced fractions or whole numbers.

(a) The card drawn is 9(b) The card drawn is not 9(c) The card drawn is a face card (Jack, Queen, or King)(d) The card drawn is not a face card.
Probability Statistics

10/26/22

What is the probability that the first marble is red and the second is green?

There is a bag of marbles. Inside the bag there are 10 blue marbles, 6 red marbles and 5 green marbles. Two marbles are selected from the bag without replacement. What is the probability that the... more
Probability Math

10/24/22

if the goalie play 90 games this season. how many goals do you expect to let in?

can someone help
Probability

10/23/22

probability of marbles

Two marbles are drawn without replacement from a box with 3 white, 2 green, 2 red and 1 blue. Find the probability that the second marble is blue when given that the first marble is red.
Probability Statistics

10/21/22

Find population mean probability

Find the probability: We have N persons and Y boxes. What is the mean person’s probability of choosing the same box with another one? (I want the probability of the whole population, not the case... more
Probability

10/20/22

7th grade math probability

Drew rolls 2 number cubes 75 times. Is it likely that she will get a sum of 3 more than 5 times? Explain
Probability

10/19/22

prob and statistics

n=12 p=0.75 x=10 p(10)=
Probability

10/16/22

Prob and Stat Homework Help

Suppose certain coins have weights that are normally distributed with a mean of 5.493 g and a standard deviation of 0.051 g. A vending machine is configured to accept those coins with weights... more
Probability Math

10/14/22

A family has 6 children. Assume that each child is as likely to be a boy as it is to be a girl. Find the probability that the family has 6 girls if it is known the family has at least one girl.

A family has 6 children. Assume that each child is as likely to bea boy as it is to be a girl. Find the probability that the familyhas 6 girls if it is known the family has at least one girl.
Probability Math

10/14/22

A bag contains 6 red marbles and 7 white marbles. Two marbles are drawn in succession without replacement. Find the probabilities of the following events:

A bag contains 6 red marbles and 7 white marbles. Two marbles are drawn in succession without replacement. Find the probabilities of the following events:
Probability Math

10/14/22

If the probability that a vaccine you took will protect you from getting the flu is 0.977, what is the probability that you will get the flu?

If the probability that a vaccine you took will protect you from getting the flu is 0.977, what is the probability that you will get the flu?
Probability Math

10/14/22

The math club needs to select a President, Vice President, Treasurer and Secretary from their 20 members. How many ways can they do this?

The math club needs to select a President, Vice President, Treasurer and Secretary from their 20 members. How many ways can they do this?
Probability

10/14/22

(a) Find the probability of being dealt a "fives over fours" full house (three fives and two fours). (Round your answer to six decimal places.)

(b) Find the number of different types of full houses. (Ignoring suit.) I can't figure out these two questions
Probability

10/13/22

Standard Normal Distribution

P(x<1.86)
Probability

10/13/22

Probability with replacement

Choose 3 out of 4 cards with replacement. How many total different outcomes are there?Given answer choices are 6, 12, 15, 20
Probability Statistics

10/11/22

Please help me to find the probability of this question

Suppose that about 85% of graduating students attend their graduation. A group of 21 graduating students is randomly chosen.Find the probability that 15 or 16 attend.

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