Questions LLC
Login
or
Sign Up
Ask a New Question
Expected Value
Page 4
Questions (664)
Miguel is playing a game in which a box contains four chips with numbers written on them. Two of the chips have the number 1,
3 answers
asked anonymously
36 views
The game of roulette uses a wheel containing 38 pockets. Thirty-six pockets are numbered 1, 2, 3, ..., 35, 36, and the remaining
2 answers
asked by
Anonymous
706 views
1)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
4 answers
asked by
jessica
919 views
in a game of roulette, there are 18 red numbers, 18 black numbers, and 2 green numbers. you may bet on red or black, but not
4 answers
asked by
steve
1,639 views
Which of the following is the formula for an expected value?
Multiple choice question. Σ(xi-μ)2 Σ(xi-μ)2P(X=x) σ2 ΣxiP(X=x)
2 answers
asked anonymously
35 views
The expected value of the discrete random variable X is
Multiple choice question. always equal to one of the possible values of
2 answers
asked anonymously
49 views
The lifetime (in thousands of hours) X of a light bulb has pdf g(x)= \lambda e^{-\lambda x}, \hspace{3mm} x\geq 0 for some
2 answers
asked anonymously
80 views
If a pair of regular dice are tossed once use the expectation formula to determine the expected sum of the numbers on the upward
2 answers
asked anonymously
38 views
Consider the hat problem, with n=10. What is the expected value of X3X6X7?
1 answer
asked by
AD
125 views
15. In a manufacturing process, a machine produces 92% of non-defective items. The expected number of defective items in a
2 answers
asked by
Anonymous
192 views
Suppose that someone offers you a bet concerning the tossing of a pair of fair dice. If both die turn up the same number, you
1 answer
asked by
ahmed
191 views
If a standard number cube is rolled 36 times, how many times would you expect the outcome to be 4?
1 answer
asked by
bayley
310 views
Compute E(X) for the following random variable X :
X=Number of tosses until getting 4 (including the last toss) by tossing a fair
1 answer
asked by
kabir thapar
378 views
Compute E(X) for the following random variable X :
X=Number of tosses until getting 4 (including the last toss) by tossing a fair
2 answers
asked by
Anonymous
1,133 views
if 80 are people donating blood, what is the expected number of people with type O blood if those who have O blood are 26%?
3 answers
asked by
Brandon
343 views
Without looking, Tammy takes a marble out of a bag that contains 10 red marbles, 15 green marbles, and 25 blue marbles. She
4 answers
asked by
please answer ASAP
998 views
Roll a fair six-sided die until you roll a number that is less than one of your previous rolls. To three decimal places, what is
1 answer
asked by
unowen
1,026 views
A ticket in a typical lottery like Lotto 6/49 is usually $2. The
probability of winning Lotto 6/49 is 1 in 13,983,816. The
2 answers
asked by
Kevin
578 views
a children's theater found in a random survey that 58 customers bought one snack bar item, 49 bought two items, 31 bought three
2 answers
asked by
Anonymous
684 views
If the probability of a newborn child is a male is 1/2, what is the expected number of male children in a family having 4
1 answer
asked by
Len
391 views
A box contains two red balls, four green balls, and two white balls. You extract balls from the box with replacement 100 times.
2 answers
asked by
Timmy
558 views
Tickets for a raffle cosr
$ $14. There were 834 tickets sold. One ticket will be randomly selected as the winner, and that person
1 answer
asked by
Anonymous
415 views
Tickets for a raffle cost $14. There were 834 tickets sold. One ticket will be randomly selected as the winner, and that person
2 answers
asked by
Anonymous
925 views
f a $2 bet is placed for a chance to win $500 for drawing a 10 of any suit from a standard deck of
cards, what is the value of
3 answers
asked by
loe
370 views
From a group of 4 women and 8 men, a delegation of 3 is selected. Find the expected number of women in the delegation.
Can
1 answer
asked by
HANDSON
633 views
Suppose you pay $1.00 to roll a fair die with the understanding that you will get back $3.00 for rolling a 6 or a 3, nothing
3 answers
asked by
Jonell
1,351 views
One thousand tickets ae sold at $1 each for a grand prize of $500.00. What is the expected value if a person purchases a single
1 answer
asked by
unclesam
367 views
Suppose I have a bag with 10 slips of paper in it. Eight of these have a 2 on them and the other two have a 4 on them.
How many
3 answers
asked by
Mr. Alexander
1,352 views
Hi! I need urgent help for these questions here. They have a deadline for today and I have no idea how to solve them
(a). Suppose
6 answers
asked by
Mr. Alexander
768 views
A bag contains Six blue and 4 red balls ,3 balls are drawn at random with replacement what is expected no of red balls that can
1 answer
asked by
math
400 views
charity sells $6 raffle tickets first prizes to trace worth $3,000 2nd prize of $600 third prize is $40 and fourth prize $15
1 answer
asked by
Lisa
427 views
In a gambling game, a man is paid 400 if he draws a jack or queen and 500 if he draws a king or ace from an ordinary deck of 52
1 answer
asked by
Jen
454 views
One coin is fair and one is weighted so that Pr[H]=211. You randomly select one of the two coins, and flip it 5 times, noting
1 answer
asked by
Dana
786 views
A committee of 3 members is selected from a club made up of 10 junior members and 20 senior members. What is the expected number
4 answers
asked by
Charles
1,887 views
suppose you buy a ticket for a raffle. the ticket's price is 5$ and the price tis worth 200. If 100 tickets are sold how much
2 answers
asked by
alma
605 views
The probability of winning a game is 25%. How many times should you expect to win if you play 36 times?
A. 3 times B. 7 times C.
7 answers
asked by
MusicLover14
712 views
10. In a game of “chuck a luck” three dice are rolled. If your number comes up on all three dice you win $3. If your number
1 answer
asked by
Gary
487 views
1700 lottery tickets are sold for $25 each, and one grand prize of $4100 is awarded. If you purchase one ticket, find your
2 answers
asked by
manasa
529 views
Bill and Fred are betting on the outcome when two fair dice are rolled. If the dice sum is any even number, other than 8, Bill
2 answers
asked by
Preet
688 views
A single dot is placed on a very long length of yarn at the textile mill. The yarn is then cut into pieces. The lengths of the
2 answers
asked by
A
872 views
lengths of the different pieces are independent, and the length of each piece is distributed according to the same PDF fX(x).
2 answers
asked by
JuanPro
709 views
experience shows that a ski lodge will be full(181 guests) if there is a heavy snowfall in december, white only partially full
2 answers
asked by
katie cicione
709 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
402 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
2 answers
asked by
Kayla
716 views
A bag contains 4 yellow, 2 red, and 6 green marbles. Two marbles are drawn. The first is replaced before the second is drawn. A
3 answers
asked by
Jamar
876 views
A game consists of cutting a shuffled deck of cards. If you cut a face card you win 10 cents. If you cut an ace you win 25
2 answers
asked by
Alejandro
1,155 views
Numbers is a game where you bet $1.00 on any 2-digit number from 00 to 99. If your number
comes up, you get $80.00. Find the
1 answer
asked by
lawerance
344 views
An amusement park, Dino World, considering adding some new attractions, conducted a study over several typical days and found
2 answers
asked by
Ray West
510 views
A strip of 41 squares is numbered 0,1,2,…,40 from left
to right and a token is placed on the square marked 0. Pinar rolls a
6 answers
asked by
lin
638 views
A bag contains 4 balls, each of which have a positive integer written on it. Let X be the random variable of the value written
1 answer
asked by
stranger
376 views
Pages
1
2
3
4
5
6
7
8
9
10
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