5,385 Answered Questions for the topic probability

Probability Statistics

09/14/21

Refer to the sample data for a pre-employment drug screening shown below. If one of the subjects is randomly selected, find the following probabilities (rounded to 4 decimal places):
Refer to the sample data for a pre-employment drug screening shown below. If one of the subjects is randomly selected, find the following probabilities (rounded to 4 decimal places): Positive... more
Follows • 2
Expert Answers •1
Probability Statistics

09/14/21

Call a household prosperous if its income exceeds $100,000.

Call a household prosperous if its income exceeds $100,000. Call the household educated if the householder completed college. Select an American household at random, and let AA be the event that... more
Follows • 1
Expert Answers •1
Probability Statistics

09/14/21

Suppose that two machines 1 and 2 in a factory are operated independently of each other.

Suppose that two machines 1 and 2 in a factory are operated independently of each other. Let AA be the event that machine 1 will become inoperative during a given 8-hour period; let BB be the event... more
Follows • 2
Expert Answers •1
Probability Statistics

09/14/21

One marble is to be selected from a box containing red, white, blue, yellow, and green marbles.
One marble is to be selected from a box containing red, white, blue, yellow, and green marbles. If the probability that the selected marble will be red is 2/7 and the probability that it will be... more
Follows • 1
Expert Answers •1
Probability Statistics

09/14/21

Suppose a fair coin is tossed three times.
Suppose a fair coin is tossed three times.a) Using a tree diagram, list out all outcomes in the sample space. Let TT denote the coin lands on tails and HH denote the coin lands on heads.  b) Using... more
Follows • 2
Expert Answers •1
Probability

09/14/21

A bag contain 10 white and 6 black balls, 4 balls are successively drawn out and not replaced. What are the probability of they are of alternately different colours
Follows • 1
Expert Answers •1
Probability Statistics

09/09/21

probability statistics

A casino runs a game which consists of a sequence of coin tosses, if toss head, then gain +1 and the probability is 1/2. If toss the tail, then gain -1 and the probability is 1/2. A gambler starts... more
Follows • 1
Expert Answers •1
Probability Statistics

09/09/21

Probability question
A fair die is cast until a 6 appears. What is the probability that it must be cast more than five times?
Follows • 2
Expert Answers •1
Probability Statistics

09/09/21

Probability question
the Smiths have two children, At least one of them is a boy. What is the probability that both children are boys?
Follows • 1
Expert Answers •1
Probability Statistics

09/09/21

Probability question
Two players, A and B, alternately and independently flip a coin and the first player to obtain a head wins. Assume player A flips first(a) if the coin is fair, what is the probability that A... more
Follows • 1
Expert Answers •1
Probability Statistics

09/09/21

Probability question
Two people each toss a fair coin n times, Find the probability that they will toss the same number of heads
Follows • 1
Expert Answers •1
Probability

09/09/21

Probability question
Suppose I have three coins. Two are fair coins (they have a 50% chance of landing on heads and a 50% chance of landing on tails). One is a weighted coin that has a 75% chance of landing... more
Follows • 2
Expert Answers •1
Probability Statistics

09/08/21

An urn contains 6 red marbles, 7 white marbles, and 6 blue marbles marbles. A child randomly selects three (without replacement) from the urn. Round to four decimal places.
An urn contains 6 red marbles, 7 white marbles, and 6 blue marbles marbles. A child randomly selects three (without replacement) from the urn. Round to four decimal places.1.) Find the probability... more
Follows • 1
Expert Answers •1
Probability

09/08/21

Using a standard 52-card deck, find the following probabilities. Leave your answer as a reduced fraction.
Using a standard 52-card deck, find the following probabilities. Leave your answer as a reduced fraction.1.) If a card is randomly selected, what is the probability that the card is any one suit,... more
Follows • 2
Expert Answers •1
Probability Statistics

09/08/21

probability statistics
Suppose a jar contains 13 red marbles and 36 blue marbles. If 2 marbles are randomly chosen from the jar at the same time, find the probability that both marbles are red. Round your answer to four... more
Follows • 1
Expert Answers •1
Probability

09/08/21

A basket contains 4 green balls 3 black balls and two white balls what is the probability of picking a green ball and a white ball
Follows • 1
Expert Answers •1

09/08/21

Normal distribution
A brisk walk at 5 miles per hour burns an average of 320 calories per hour. If the standard deviation of the distribution is 8 calories/hour, find the percentage of people who walk at 5 miles per... more
Follows • 1
Expert Answers •1

09/07/21

Statistics and Probability pls help : (
An inventor created a machine where you can input a string of 4 letters and expect an output from it. If you input any of the letters S, C, or D, the probability that the output of the letter... more
Follows • 2
Expert Answers •1
Probability

09/06/21

Collage Probability
Five cards are drawn randomly from a pack of 52 playing cards .(a) Find the probability that at most 2 Kings are drawn given that at least 1 King is drawn.(b) Find the probability that 3 kings and... more
Follows • 1
Expert Answers •1
Probability

09/05/21

If Pr(A) =0.5 and Pr(B)=0.5. Which statement about Pr(A∩B) is true?
a) Pr(A∩B) >= 0.3b) Pr(A∩B) <= 0.3c) Pr(A∩B) = 0.5d) None of the options
Follows • 0
Expert Answers •2
Probability Algebra 2

09/05/21

Probability Question
In poker, a 5-card hand is a flush when all five cards are of the same suit (hearts, diamonds, spades, or clubs). Note a standard deck of cards has 52 cards of 4 suits with each suit having cards... more
Follows • 2
Expert Answers •1
Probability Math Algebra 1

09/05/21

Find each probability.
A bag of candy contains 3 lollipops, 8 peanut butter cups, and 4 chocolate bars. A piece of candy is randomly drawn from the bag. Find each probability. P(peanut butter cup) P(lollipop or peanut... more
Follows • 1
Expert Answers •1
Probability

09/04/21

Probability Question
In a particular city, 14 in 1.6 million people have been struck by lightning. What is the experimental probability of being struck by lightning in this city?
Follows • 1
Expert Answers •1
Probability Math

09/03/21

Find the probability p
A man is dealt 4 spade cards from an ordinary pack of 52 cards. If he is given threemore cards, find the probability p that at least one of the additional cards is also a spade.
Follows • 1
Expert Answers •1
Probability Bayesian

09/02/21

What is the chance the jam is toxic
A woman picks 7 apples in the forest, but unfortunately two of them are poisonous. Three apples are used in a pie, which turns out to be toxic. Another two are used in a jam. What is the chance... more
Follows • 3
Expert Answers •3

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.