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Expected Value
Page 9
Questions (664)
Three out of 200 machine parts were found to be defective.
About how many parts would be expected to be defective out of 2500
2 answers
asked by
Na Bug
467 views
1000 tickets for prizes are sold for 42 each. Seven prizes will be awarded-one for $400, one for $200, and five for 450. steven
2 answers
asked by
Mary Maggitt
475 views
Consider a simple game in which you will roll a six-sided die and receive $3.00 if you roll a 6. If it costs you $0.90 for each
3 answers
asked by
Tara
493 views
Gamblers are playing a game of chance in which they have a 1/40 chance of winning $90. What is the expected payout of this game?
2 answers
asked by
maelee
487 views
if 25% of all students asked say they spend too much time on homework, and 12 students are selected at random, what is the
1 answer
asked by
Mo
495 views
In a dice game if you roll a 2, 4, or 6 you get the value of the die. If you roll as 1, 3, or 5 you lose $5. What is the
1 answer
asked by
john
456 views
A lottery ticket costs $1 and the prize is $28,000,000. The probability of winning is .000000023. What is the expected value of
1 answer
asked by
Ann
471 views
Three out of 200 machine parts were found to be defective.
About how many parts would be expected to be defective out of 2500
1 answer
asked by
sam
465 views
There are two simultaneous games. One game is flipping a coin. Payment of tail is $2.50 and head is $1.50. And
the other game is
1 answer
asked by
Samu
464 views
The local lottery sets up a game wherein a player has a chance of collecting $750.
The player must choose a 3-digit number and if
1 answer
asked by
Andrew
473 views
If in an investment, a man can make profit of 5,000 with probability of 0.8 or loss 1,000 with probability of 0.2, what is the
1 answer
asked by
POPPY
430 views
California residents received coupons for free lotto tickets. In order to win the jackpot, you have to correctly guess all 6
1 answer
asked by
Richone
464 views
If 1000 raffle tickets were sold for a TV prize that is worth $275 and a ticket number is drawn to determine the winner, what is
1 answer
asked by
Amanda
458 views
Suppose you buy 1 ticket for $1 out of a lottery of 3,000 tickets. If the prize for the one winning ticket is to be $1,000, what
1 answer
asked by
Valerie
475 views
For $5 you can buy a ticket for a drawing for a prize of $2,000. The probability of winning the prize is 0.001. How much money
1 answer
asked by
Emmanuel
471 views
There is an auction for a house, with a List Price of $100K. There are only two bidders, who bid randomly, one after another.
1 answer
asked by
nkm
462 views
Suppose you buy 1 ticket for $1 out of a lottery of 3000 tickets. If the prize for the one winning
ticket is to be $500, what are
1 answer
asked by
Anonymous
463 views
If I roll a die 6 times, how many 5's do I expect to get?
I know if I rolled it one time I would have a 1 in 6 chance of getting
1 answer
asked by
Sami
466 views
I only need my answer to be checked.
In a lottery, 5,000 tickets are sold for $1. One first place prize of $1,000, 1 second prize
4 answers
asked by
lijm
463 views
At a carnival you play a ring toss game 30 times. It's a dollar to play and your chances of winning are 15%. What are your
3 answers
asked by
Desddddddff
456 views
If 3 cards are drawn from a deck of 52 cards without replacement, find the expected number of clubs.
3 answers
asked by
Zayyan
422 views
Darth Vader is designing a game that costs $20. The game consists of pulling a colored rock out of a container. When the rock is
1 answer
asked by
Brianna
447 views
90% of population is unemployed. Assume 10 employable people are to be selected randomly. what is the expected number of those
1 answer
asked by
Benjamin
462 views
Provide one example to show how you can use the Expected Value computation to assess the fairness of a situation (probability
1 answer
asked by
ikingtut
444 views
A bag contains a set of ping pong balls numbered from 1 to 12. If you reach in and randomly
pull out 3 of them, what is the
1 answer
asked by
Parul
447 views
An urn contains 4 green, 6 blue and 10 yellow chips.
You pay $5 to draw a chip from the urn. Here are the rules of the game: if
1 answer
asked by
HELP
453 views
For a particular clothing store, a marketing firm finds that 16% of $10-off coupons delivered by mail are redeemed. Suppose six
1 answer
asked anonymously
52 views
A contractor is considering a sale that promises a profit of $40,000 with a probability of 7 or a loss(due to bad weather,
1 answer
asked anonymously
46 views
You are given 12 to 1 odds against drawing two hearts when two cards are selected at random from a standard deck of 52 cards
1 answer
asked anonymously
39 views
You are given 8 to 1 odds against tossing 3 tails in 3 tosses of a fair coin. This means that you win $8 if you succeed and you
1 answer
asked anonymously
24 views
Your company bids on two contracts. You believe the probability that you get the first contract is 0.75 and if you get the first
1 answer
asked anonymously
13 views
A company is getting feedback on a new flavor of chips. In their initial round of testing, 16% of customers disliked the flavor
1 answer
asked anonymously
24 views
Each card in a set of cards has one of four shapes on it. The table shows the number of times a card with each shape was
1 answer
asked anonymously
30 views
Bid costs company 1300 the probability that the bid is accepted is 1/10. If accepted the company will make 48000 minus the cost
1 answer
asked anonymously
15 views
Each card in a set of cards has one of four shapes on it. The table shows the number of times a card with each shape was
1 answer
asked anonymously
15 views
Of the first 25 fans who entered the baseball game 9 were wearing hats if a total of 300 fans are at a game how many would you
1 answer
asked anonymously
12 views
You're playing a game in which the probability of winning each round is .20. On average, how many rounds do you have to play to
1 answer
asked anonymously
12 views
The possibility of rolling a 5 is 1/6. If you roll a die 300 times, about how many times would you except to roll a 2?
1 answer
asked by
SomeChocolate_Milk
8 views
Theo is using this spinner to predict the favorite movie genre of randomly chosen students in his school.
A spinner with 5
1 answer
asked by
your mama
12 views
If a Poisson random variable X has an average of 5.5 find: E(X)
1 answer
asked anonymously
19 views
the probability of rolling a 3 or 4 is 1/3 if you roll a die 270 times, about how many times would you expect to roll a 3 or 4?
1 answer
asked by
SomeChocolate_Milk
13 views
The following table lists the probability distribution of the number of shoplifting incidents that occur during a day at a
1 answer
asked anonymously
10 views
A bag of marbles has 10 red, 8 blue, 4 green, and 2 yellow marbles. A marble is drawn from the bag and replaced. What is the
1 answer
asked anonymously
8 views
As part of a promotion, people who participate in a survey are sent a free coupon for one of three winter activities: skiing,
1 answer
asked anonymously
29 views
A part of a promotion, students who participate in a survey are mailed a free pass for one of three activities: movies, roller
1 answer
asked by
tomdaya
106 views
A deck of 10 cards labeled 1–10 is shuffled. One card is selected at random. If the experiment is repeated 120 times, how many
1 answer
asked anonymously
9 views
As part of a promotion, people who participate in a survey are sent a free coupon for one of three winter activities: skiing,
1 answer
asked anonymously
22 views
A six-sided number cube is to be rolled 30 times. How many times do you expect to roll on an even number?(1 point)
1 answer
asked anonymously
24 views
Question As part of a promotion, people who participate in a survey are sent a free coupon for one of three winter activities:
1 answer
asked anonymously
15 views
A part of a promotion student participate in a survey or mailed a free pass for one of three activities, movies, rollerskating
3 answers
asked anonymously
22 views
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Parent Categories (32)
Basic Probability
Central Limit Theorem
Chance Experiment
Coin flipping
Combinatorics
Conditional probability
Consumer behavior
Counting
Counting and Probability
Counting methods
Dice
Experimental Probability
Finance
Geometric Distribution, Binomial Distribution
Independent Events
Linear Regression
Lottery
Probability
Probability and Random Variables
Probability and Statistics
Probability Calculations
Probability Distribution
Probability Distribution Tables
Probability distributions
Probability of selecting a specific card
Probability of selection
Probability Theory
Random Experiment
Random Variables
Random Variables and Expected Values
Statistics
Sweepstakes