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Expected Value
Page 5
Questions (710)
A sample of 50 people in Harrisburg indicates that 10 people of them know the name of the mayor of their neighboring city. Out
2 answers
asked by
Shane
210 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
Stacy
400 views
In a class of seven students, a teacher spins a seven-sectored spinner (with equal-sized sectors) to determine which students to
4 answers
asked by
Tracy
861 views
a state of indiana lotto ticket pays winners $0, $5, $25, and $200 with probabilities of 0.94, 0.03, 0.02, and 0.01
1 answer
asked by
rick
389 views
Volunteers working to raise funds for a new community library sold 1000 raffle tickets at $10 each. Tickets are to be randomly
4 answers
asked by
James
671 views
Suppose you are selling raffle tickets for $3.00 each. You have the following prizes.1 grand prize of $150
1 prize of $75 1 prize
3 answers
asked by
denise
941 views
If X and Y are uncorrelated in the population, the expected value of the estimated linear regression coefficient (slope) is 0.
Tr
1 answer
asked by
Mickie
346 views
Mamma Temte bakes six pies a day that cost $2 each to produce. On 15% of the days, she sells only two pies. On 27% of the days,
1 answer
asked by
Anonymous
1,144 views
In a game you flip a coin twice, and record the number of heads that occur. You get 10 points for 2 heads, zero points for 1
4 answers
asked by
Rosmery
3,339 views
In one version of the game Keno the house has a pot containing 80 balls numbered 1 through 80,.the house then selects 20 of the
1 answer
asked by
adiba
1,117 views
In amusement park considering adding some new attractions,conducted a study over several typical days and found that ,of 10,000
2 answers
asked by
adiba
1,182 views
Peter is playing a game where a ten-sided die is rolled. Four sides of the die have the number 10, three sides of the die have
2 answers
asked by
kj
984 views
Peter is playing a game where a ten-sided die is rolled. Four sides of the die have the number 10, three sides of the die have
2 answers
asked by
kj
524 views
Jeremy and Noor are playing a game where they each draw a marble from a bag, and whoever draws the marble worth the most points
4 answers
asked by
jenny
496 views
A box contains 14 yellow, 6 green, 10 purple, and 12 red candies jumbled together. What is the expected number of red candies
1 answer
asked by
Joshua
1,233 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
2 answers
asked by
Stan
538 views
please help A sample of 127 firecrackers contained 8 duds. How many duds would you expect in a sample of 2413 firecrackers, how
1 answer
asked by
kay
332 views
One coin is fair and one is weighted so that Pr[H] = [ 1/4]. You randomly select one of the two coins, and flip it 3 times,
2 answers
asked by
KS
720 views
How do I calculate the expected value of a ten spot keno game?
2 answers
asked by
patty
533 views
There is a .97 chance that no accident will occur during any particular day at a racetrack of local importance. the probability
2 answers
asked by
12-year-old-poet
1,075 views
A scientist samples a deer population and finds 200 deer in an area of 10 square miles. On average, how many deer can the
3 answers
asked by
!!!ππ£ππ£ππ£ππππ¨ππΏππΏπππ΅πππΏπ΅ππΏβ¨
88 views
A jar is filled with nickels and pennies. The value of the nickels is $S
and the value of the pennies is $r. If you picked a
2 answers
asked by
Ashley
584 views
You are playing a die game. If you roll 1, then the house pays you $25. If you roll 2, the house pays you $5. If you roll 3, you
2 answers
asked by
Reggie
535 views
The grid below is made up of line segments, like the line segment in red. There are a number of paths that go from A to B in the
3 answers
asked by
alice
42 views
A population of 300 voters contains 147 Republicans, 135 Democrats, and 18 independents and members of other parties. A simple
1 answer
asked by
mike
786 views
A manufacturer of liquid crystal displays (LCDs) is studying their production lines. The probability of sampling a defective LCD
3 answers
asked anonymously
73 views
Suppose that Y measures the amount of money you win from a game. Considering the expectation you calculated for Y, which is the
3 answers
asked anonymously
31 views
Amy sets up a game in which she puts four $10bills and one $20 bill in one box. Blindly grabs one of the bills and keeps it. To
1 answer
asked by
algebrajunkie
371 views
A fair die is rolled 16 times. What is the expected sum of the 16 rolls?
2 answers
asked by
cmb
573 views
A company is considering a plan that has different profit results under different conditions. Assuming there is a 20% chance of
1 answer
asked by
Suzy
445 views
You are given 4 to 1 odds against tossing 2 tails and in 2 tosses of a fair coin. This means that you win $4 if you succeed and
4 answers
asked by
AJC
1,844 views
Determine a casino's expected net income from a 24-hour period at a single roulette table if the casino's total overhead for the
1 answer
asked by
CARMEN
1,015 views
When Alison and Pamela play chess, Alison wins 60% of the time. If they play a best-3-of-5 series, how many games would you
7 answers
asked by
Felicia
526 views
please help!! pretty please!!
i need to know how to this problem ASAP! suppose you pay $1.00 to roll a fair die with the
2 answers
asked by
anonymous
541 views
please help!! pretty please!!
i need to know how to this problem ASAP! suppose you pay $1.00 to roll a fair die with the
1 answer
asked by
anonymous
472 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
4 answers
asked by
Tyga
568 views
Hi please help. The proportion of coaches who spend more than 120 minutes at the sport is 0.023.
Out of 1000 coaches, the
1 answer
asked by
Jen
451 views
Suppose the probability of a coin coming up heads is 2/5. The coin is tossed 4 times (the tosses are independent), and Jane will
1 answer
asked by
Anonymous
487 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
2 answers
asked by
Q
632 views
Joeβs baseball team sold 200 chances to win a $250 set of golf clubs. What is the expected value of a single chance if only
1 answer
asked by
Sonya
412 views
Joeβs baseball team sold 200 chances to win a $250 set of golf clubs. What is the expected value of a single chance if only
1 answer
asked by
alicia
342 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
2 answers
asked by
Mary
536 views
Explain what is expected value and how is it calculated
1 answer
asked by
Faye
277 views
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
476 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
1,139 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
394 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
42 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
39 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
382 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
429 views
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Parent Categories (34)
Basic Probability
Central Limit Theorem
Chance Experiment
Coin flipping
Combinatorics
Conditional probability
Consumer behavior
Counting
Counting and Probability
Counting methods
Decision-Making
Dice
Experimental Probability
Finance
Geometric Distribution, Binomial Distribution
Independent Events
Linear Regression
Lottery
Probabilities
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