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Expected Value
Page 8
Questions (667)
In a game, you have a 1/27 probability of winning $100 and a 26/27 probability of losing $4. What is your expected value?
2 answers
asked by
Marli
659 views
You bought one $2 chance on an $84 radio. Sixty chances were sold. What is your expectation?
1 answer
asked by
Cheril
652 views
Suppose you toss a coin and will win $1 if it comes up heads. If it comes up tails, you toss again. This time you will receive
1 answer
asked by
Marie
686 views
There are 40 slots in a roulette wheel,19 are red, 19 are black, and 2 are green. if you place a $1 bet on red and win, you get
1 answer
asked by
Therese
649 views
You pick a card from a card deck of 52 cards. If you choose a diamond or a heart, you win $50. If you choose a club or a spade,
3 answers
asked by
Megs
644 views
The island club... ten thousand tickets sold for $2 each... first prize of $3000, 3 second prizes of $1000 each, 5 third prizes
2 answers
asked by
lijm
622 views
A game consists of tossing a coin and rolling an ordinary die. If the player tosses a head and rolls an even number, the player
2 answers
asked by
Tina
651 views
a team of 3 is to be chosen from 4 boys and 5 girls. if X is the random variable of the number of girls in the team find the
1 answer
asked by
KALAN ENILEOHS
626 views
On a TV game show, the contestant is asked to select a door and then is rewarded with the prize behind the door selected. If the
5 answers
asked by
B.B.
637 views
Five thousand raffle tickets are to be sold at $10 each to benefit a local community group. The prizes, the number of each prize
1 answer
asked by
peach
606 views
A state lottery requires you to choose 4 cards from an ordinary deck: I heart, 1 club, 1 diamond, and 1 spade in that order from
1 answer
asked by
Devin
636 views
An American style roulette wheel has individual compartments for the numbers 1 to 36, plus 0 and 00. If the payoff for a
3 answers
asked by
Jus
620 views
i got the following wrong, but don't know what I did wrong-
die rolled 30 times, what is the expected value that a 5 will appear.
2 answers
asked by
constance
635 views
One thousand raffle tickets are sold for $1.00 each. One grand prize of $400 and two consolation prizes of $100 each will be
9 answers
asked by
Jen
596 views
The squares of a 3×3 board are randomly coloured black or white. Let W be the number of white squares and B the number of black
2 answers
asked by
hemant
593 views
400 draws are made at random with replacement from 5 tickets that are marked -2, -1, 0, 1, and 2 respectively. Find the expected
4 answers
asked by
AmmanJordan
601 views
A sample of 134 firecrackers contained 6 duds. How many duds would you expect in a sample of 2,546?
2 answers
asked by
Randy
566 views
what is the expected value of a fair game?
It depends on the game: the rewards and the probability of particular outcomes. If the
1 answer
asked by
Anonymous
591 views
The game of dots is played by rolling a fair die and receiving $1 for each dot showing on the top face of the die. What cost
2 answers
asked by
Nicole
610 views
A box contains 4 coins: a penny, a nickel, a dime, and a quarter. It costs a dime to reach in and take a coin. What is the
3 answers
asked by
Samantha
589 views
200 tickets are sold to a raffle. It costs $5 to buy a ticket. There is one first prize winner and one second prize winner.
2 answers
asked by
Anonymous
589 views
suppose a lottery game allows you to select a 2-digit number. Each digit may be either 1,2,3,4,5. if you pick the winning number
2 answers
asked by
saleema
584 views
Debra is buying prizes for a game at her school's fundraiser. The game has three levels of prizes, and she has already bought
2 answers
asked by
Anonymous
569 views
Consider a disk and spinner with four equal sectors marked with the numerals 1, 2, 3, and 4.
What is the expected value for a
4 answers
asked by
Matt
578 views
Chef Fabio went to the store and bought 2 cans of beans, 2 cans of tomatoes, and 2 cans of tuna, all of which were the same
5 answers
asked by
parishi
552 views
{lease help :) A contractor is considering a sale that promises a profit of $20,000 with a probability of .7 or a loss due to
2 answers
asked by
Sally
552 views
100 raffle tickets are sold for $3 with one grand prize of $200. Julie purchased one ticket. What is her expectation?
2 answers
asked by
please help
547 views
A survey asked 36 students to choose their favorite type of music from the choices of rock, pop, and country. The results of the
2 answers
asked by
LOL
558 views
Jenny places 100 pennies on a table, with 30 showing heads and 70 showing tails. She chooses 40 distinct pennies uniformly at
3 answers
asked by
anonymous
533 views
The probability that a school bus is late is 0.04. How many times would you expect the bus to be late in a 5-week period?
2 answers
asked by
Thomas
535 views
an organization is selling raffle tickets for 20$ each. you purchase one of 500 raffle tickets. the prize for this raffle is
2 answers
asked by
Tony
531 views
Raffle. There is a prize drawing for a new computer and a new stereo system. Suppose there are 1500 raffle tickets sold. The
2 answers
asked by
Trey
534 views
The number of accidents that occur at the intersection of Pine and Linden streets between 3 pm. and 6 pm. on Friday afternoons
2 answers
asked by
Sarah
534 views
Two points are chosen uniformly at random on the unit circle and joined to make a chord C1. This process is repeated 17 more
7 answers
asked by
Sambaran G.
528 views
A person spins the pointer and is awarded the amount indicated by the pointer.
(A circle with 3 sections divided: $2, $5, $10).
2 answers
asked by
Jen
522 views
A new game is being introduced at the Hard Rock Cafe. A ball is spun around a wheel until it comes to rest in one of many spots.
2 answers
asked by
peachy
515 views
an oil drilling company knows that it costs $25000 to sink a well. If oil is hit, the income for the drilling company will be
2 answers
asked by
Ginger
513 views
In the Doubles Game, students can win carnival tickets to spend on games and food. A player pays one ticket to roll two number
2 answers
asked by
Nicole
523 views
A fair six-sided die is rolled. If the number showing is even, you lose a point for each dot showing. If the number showing is
2 answers
asked by
Karina
517 views
Let X represent the outcome of a single roll of a fair die. Suppose you will win $2 if the outcome is either 2 or 5, and lose $1
1 answer
asked by
jazmin cortez
509 views
It is estimated that there are deaths for every 10 million people who use airplanes. A company that sells flight insurance
1 answer
asked anonymously
30 views
An oil-drilling company knows that it costs $28,000 to sink a test well. If oil is hit, the income for the drilling company will
1 answer
asked by
Anonymous
564 views
If your expected value when playing a $1 game of chance is $0.03. How much should you have netted after playing the game 160
3 answers
asked by
jacque
509 views
Suppose you have a coin that lands on Heads with probability 0.6
There are three coin flips defined as X. Heads count 1 and tails
1 answer
asked by
Marc
507 views
please help having difficulty with this problem.
It was noted that 40% of the people in Dallas read the morning newspaper. A
2 answers
asked by
Stacy
490 views
Playing game of chance and pay 300 by rolling a fair die one time if you rome a 2 and receive $1300 if you roll a 4 or six you
2 answers
asked by
janice
493 views
You play a game where you win $1.00 for each dot that turns up on a fair die (has 6 sides). You pay $3.50 to play the game (and
1 answer
asked by
Alexis
499 views
I am having trouble understand what is the expected value of rolling a die? I know that I would start by finding the probability
3 answers
asked by
Anonymous
464 views
The game of dots is played by rolling a fair die and
receiving $1 for each dot showing on the top face of the die. What cost
2 answers
asked by
Anonymous
482 views
100 raffle tickets are sold for $3 with one grand prize of $200. Julie purchased one ticket. What is her expectation? What is
2 answers
asked by
tony
482 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