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Expected Value
Page 6
Questions (660)
This is another one I need help with.
On a TV game show, the contestant is asked to select a door an then is rewarded with the
1 answer
asked by
C.J
467 views
A roulette wheel in Las Vegas has 18 red slots and 18 black slots numbered alternately with the numbers 1 through 36. Two green
2 answers
asked by
Anna
1,130 views
A developer can buy a piece of property
that will produce a profit of $16,000 with probability .7, or a loss of $9000 with
1 answer
asked by
Stephanie
386 views
If a gambler rolls two dice and gets a sum of ten, he wins $10, and if he gets a sum of four, he wins $20. The cost to play the
3 answers
asked anonymously
37 views
The failure rate for taking the bar exam in Philadelphia is 41%. If 375 people take the bar exam, what is the expectation for
3 answers
asked anonymously
35 views
The number of accidents that occur at the intersection
of Pine and Linden streets between 3 p.m. and 6 p.m. on Friday afternoons
1 answer
asked by
jason
374 views
The number of accidents that occur at the intersection
of Pine and Linden streets between 3 p.m. and 6 p.m. on Friday afternoons
1 answer
asked by
jason
421 views
Numbers is a game where you bet $1 on any three-digit number from 000 to 999. If your number
comes up, you get $600.00, otherwise
2 answers
asked by
jen
510 views
What is the expected value of one 700 tickets in a raffle for a prize of $1400?
4 answers
asked by
Twg
1,534 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
3 answers
asked by
Twg
835 views
A game has the following rules. A fair die is tossed. The tosser wins $7 if a
1 or 2 shows and wins $11 if a 6 shows. The tosser
2 answers
asked by
Andrey L
490 views
find the expected value of the prize
value $0 $1 $5 $20 probability 0.9359 0.05 0.01 0.003 $100 $1000 0.001 0.0001
1 answer
asked by
chrissy
413 views
find the expected value of the prize
value $0 $1 $5 $20 probability 0.9359 0.05 0.01 0.003
1 answer
asked by
chrissy
306 views
If the probability of a dancing lady accepting an initation to dance is 0.18, find the expected number of ladies you would have
3 answers
asked by
Sherri
1,121 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
472 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
425 views
Numbers is a game where you bet $1.00 on any three-digit number from 000 to
999. If your number comes up, you get $750.00. Find
3 answers
asked by
matty
844 views
You get to throw a die. If you roll a 3, you win $6. If you roll a 1 or a 5, you
win $3. If you roll an even number, you lose $6.
3 answers
asked by
louis
1,238 views
Numbers is a game where you bet $1.00 on any three-digit number from 000 to
999. If your number comes up, you get $750.00. Find
5 answers
asked by
louis
450 views
Randall is playing a game that involves drawing a card from a deck. There are 10 cards numbered from 1 to 10. If Randall draws a
2 answers
asked by
Tom
554 views
Find expected value for the random variable.
its suppost to be a table 6 X 2 i used the .... to represent separation
1 answer
asked by
student
1,015 views
Player A and B invented a new game. The probability for Player A to win a round is 1/3 and the probability that Player B will
1 answer
asked by
Amaris
510 views
At a fair run by a local charity organization, it costs 50 cents to try one's luck in drawing an ace from a deck of 52 playing
1 answer
asked by
Martha
442 views
At a fair run by a local charity organization, it costs 50 cents to try one's luck in drawing an ace from a deck of 52 playing
1 answer
asked by
Martha
449 views
A contest entrant has a .00001 probability of winning $5,000.00. If this is only prize and the entry fee is $20.00, then what is
1 answer
asked by
Sue
607 views
Would really urgently appreciate answers to these questions. Thanks.
3. Suppose that two lotteries each have n possible numbers
1 answer
asked by
Johnny
611 views
Maria has an 8-sided die that is numbered from 1 to 8. She rolls the die 96 times. About how many times can she expect to roll
4 answers
asked by
Abby
2,648 views
You play a gambling game with a friend in which you roll a die. If a 1 or 2 comes up, you win $8. Otherwise you lose $2. What is
3 answers
asked by
April
2,153 views
You buy a lottery ticket to a lottery that cost $10 per ticket. There are only 100 tickets available to be sold in this lottery.
3 answers
asked by
Javier
1,986 views
A game is played using one die. There is a$1 charge to play the game. If the die is rolled and shows a five, the player receives
3 answers
asked by
Todd
1,787 views
At a carnival, you spin a spinner that has four equal-sized sections, each a different color: green, yellow, red, and blue. If
4 answers
asked by
Jhabrea
1,564 views
A bag contains 6 red tiles, 8 blue tiles, and 6 green tiles. A tile is drawn, the color recorded, and then the tile placed back
4 answers
asked by
Anonymous
1,549 views
Find the expected value of a $1 bet in six-spot keno if three winning spots pays $1 (but you pay $1 to play, so you actually
3 answers
asked by
bob
1,509 views
A raffle has a $500 first prize, two $100 second prizes and five $25 third prizes. If 500 tickets are sold for $5 each find the
3 answers
asked by
Shay
1,515 views
One thousand tickets are sold at $1 each. There are four prizes available of: $100, $50, $25 and $10. What is the expected
1 answer
asked anonymously
20 views
A police department reports that the probabilities that 0,1,2, and 3 burglaries will be reported in a given day are .51, .44,
3 answers
asked by
April
1,359 views
In its Flip Your Lid contest, a coffee chain offers prizes of 50 000 free coffees, each worth $1.50; two new TVs, each worth
4 answers
asked by
Zachary
1,337 views
Two coins are taken at random (without replacement) from a bag containing 4 nickels, 8 dimes, and 3 quarters. Let X denote the
4 answers
asked by
Cecylia
1,317 views
At this year's State Fair, there was a dice rolling game. If you rolled two dice and got a sum of 2 or 12, you won $20. If you
2 answers
asked by
Shelagh
1,206 views
A jar contains 8 pennies, 3 nickels and 4 dimes. A child selects 2 coins at random without replacement from the jar. Let X
3 answers
asked by
Stephanie
1,196 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
4 answers
asked by
Carli
1,184 views
If you roll a number cube 36 times, how many times do you expect to roll an even number?
4 answers
asked by
paragonnova
1,143 views
For every 144 light bulbs produced, 6 are defective. Find the number of defective light bulbs that could be expected out of 720.
1 answer
asked anonymously
64 views
Olivia tossed two fair two-sided coins. In a game, she earns 4 points if exactly one coin lands on heads and 6 points if both
3 answers
asked by
Chrisley
1,118 views
Add a carnival, you play ring toss game 30 times. It's only a dollar to play, and your chances of winning the five dollar prize
2 answers
asked by
Anonymous
1,107 views
Suppose an experiment consists of rolling a fair, six-sided number cube. What is the expected value of evens?
1 answer
asked by
Regina
1,109 views
a sameple of 137 firecrackers contained 6 duds. how many duds would you expect in a sample of 2466 firecrackers?
3 answers
asked by
pam
1,081 views
it cost $2 to buy a raffle ticket. if there are 500 tickets sold, and there is one first prize of $250, three second prizes of
3 answers
asked by
bryan
1,086 views
A game consists of rolling a die and pays off as follows: $5.00 for a 6, $3.00 for a 5, $2.00 for a 4, and no money otherwise.
2 answers
asked by
stephanie
1,071 views
A friend offers you the following game: You will roll 2 fair dice. If the sum of the two numbers obtained is 2,3,4,9,10,11,or 12
3 answers
asked by
Sarita
1,054 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