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Expected Value
Page 5
Questions (669)
Find the expected value of Z1 if Y1 and Y2 are defined as previously mentioned.
1 answer
asked by
Anonymous
331 views
Find the expected value of the product of variables π΄ and π΅, denoted as πͺ(π΄π΅), when π΄ and π΅ are independent
1 answer
asked by
jygsa
1,163 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
6 answers
asked by
Mathslover Please help
416 views
A committee of four students will be selected from a list that contains six Grade 9 students and eight Grade 10 students. What
2 answers
asked by
Lily
1,227 views
need help with , five hundred raffle tickets are sold for $3.00 each, one prize of $500.00 is to be awarded, Raul purchased one
1 answer
asked by
bernie
419 views
1. If you were to receive $3 for every time a 7 or 11 was rolled with two fair dice and lost $1 for all the ther values, what is
1 answer
asked by
Kayla
287 views
A game is played where a biased coin is flipped. A head is twice as likely as a tail. It costs $5 to plat the game and if a head
4 answers
asked by
Varonica b. Miller
429 views
A school is running a raffle for two prizes. 59 tickets were sold for the raffle, numbered 1,β¦,59. All the tickets are put
2 answers
asked by
stranger
508 views
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
206 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
395 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
859 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
382 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
668 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
930 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
343 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
1,139 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
3,338 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
1,112 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
1,179 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
978 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
518 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
491 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
1,228 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
533 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
329 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
716 views
How do I calculate the expected value of a ten spot keno game?
2 answers
asked by
patty
529 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
1,070 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¨
82 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
580 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
530 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
41 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
781 views
A manufacturer of liquid crystal displays (LCDs) is studying their production lines. The probability of sampling a defective LCD
3 answers
asked anonymously
72 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
28 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
568 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
441 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
1,841 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
521 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
537 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
465 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
564 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
448 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
481 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
624 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
408 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
337 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
533 views
Explain what is expected value and how is it calculated
1 answer
asked by
Faye
276 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