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Expected Value
Page 2
Questions (661)
A company estimates that 0.4% of their products will fail after the original warranty period but within 2 years of the purchase,
5 answers
asked by
tatiana
5,601 views
The probability of winning a game is 20%. If you play 20 times, how many times should you expect to
win?
52 answers
asked by
MIke
8,940 views
Let X be the number of successes in 25 independent trials with probability 1/10 of success in each trial. Let m be the most
4 answers
asked by
Claire
1,040 views
A bag contains 2 gold marbles, 7 silver marbles, and 23 black marbles. Someone offers to play this game: You randomly select one
5 answers
asked by
tatiana
10,494 views
The probability of winning a game is 25%. How many times should you expect to win if you play 36 times?
2 answers
asked by
hi
94 views
A mysterious card-playing squirrel (pictured) offers you the opportunity to join in his game. The rules are:
To play you must pay
4 answers
asked by
Rosmery
4,641 views
Let X and Y be zero-mean independent random variables. Which one of the following statements is correct? Hint: You can take for
5 answers
asked by
silly_muffin
154 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
1 answer
asked by
lin
402 views
A bag contains 1 gold marbles, 10 silver marbles, and 29 black marbles. Someone offers to play this game: You randomly select
4 answers
asked by
tatiana
5,926 views
The expected value of a non-negative continuous random variable X, which is defined by
E(X) = ∫ x * fx(x) dx with lower limit 0
2 answers
asked by
silly_muffin
101 views
The probability of a certain baseball player hitting a foul ball is 1/5. How many foul balls would you expect her to hit after
2 answers
asked by
oh
148 views
A spinner has 8 equally sized sections labeled as A,B,C,D,E,F G,H. In160 spins how many times can you expect to spin on a
2 answers
asked by
Me
75 views
The probability of winning a game 25%. How many times should you expect to win if you play 40 times?
2 answers
asked anonymously
69 views
The probability of a certain hockey player making a goal after hitting a slap shot is 1/5 how many successful slap shots would
2 answers
asked anonymously
78 views
. The probability of winning a game is 25%. How many times should you expect to win if you play 40 times? (1 point)
2 answers
asked by
F
79 views
The probability of winning a game is 20%. If you play 20 times, how many times should you expect to win?
33 answers
asked by
Iyona McKenzie
200 views
"Marble Madness" is a local carnival game, costing $2. There are 100 total marbles in a bag: 2 red, 8 orange, 10 yellow, 30
2 answers
asked anonymously
109 views
The probability of a certain hockey player making a goal after hitting a slap shot is 1/5. How many successful slap shots would
1 answer
asked by
<3
96 views
1. Calculate the expected value of the number of cups of coee Alex drinks each day. (1 point)
0.200 cups 0.163 cups 0.976 cups
3 answers
asked by
Jeon
142 views
As part of a promotion, people who participate in a survey are sent a free coupon for one of three winter activities: skiing,
2 answers
asked by
Math
143 views
Following an experiment, Jamie estimates that his probability of making a three-pointer with a basketball is 0.8. If he shoots
1 answer
asked by
like wow
73 views
The consecutive interarrival times of a certain arrival process are i.i.d. random variables that are equally likely to be 5, 10,
2 answers
asked by
Anonymous
1,157 views
The consecutive interarrival times of a certain arrival process are i.i.d. random variables that are equally likely to be 5, 10,
2 answers
asked by
David
757 views
In a raffle 1000 tickets are being sold at $1.00 each. the first prize is $100, and there are 3 second prizes of $50 each. by
4 answers
asked by
sha
1,809 views
the probability of a basketball player hitting a foul shot is 1/3. How many shots would you expect her to make in 90 attempts?
A.
7 answers
asked by
Gracious Human
2,125 views
The probability of a certain Baseball player hitting a foul ball is 1/4. How many foul balls would you expect her to hit after
17 answers
asked by
SUNSHINE
4,631 views
A certain sweepstakes ticket has four categories of prizes with the following probabilities of being won:
Prize Probability
2 answers
asked by
Tina
922 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
5 answers
asked by
Diane
4,281 views
The probability of winning a game is 20%. If you play 20 times, how many times should you expect to win?
4 times 10 times** 16
98 answers
asked by
Reagan
5,422 views
Suppose you pay $3.00 to roll a fair die with the understanding that you will get back $5.00 for rolling a 1 or a 6, nothing
6 answers
asked by
Plz help
4,269 views
A bag contains 1 gold marbles, 10 silver marbles, and 25 black marbles. Someone offers to play this game: You randomly select
4 answers
asked by
Anonymous
1,506 views
You have made 3 out of 10 of your last free throws. How many free throws can you expect to make if you shoot 100 free throws?
A.3
5 answers
asked by
Grace
2,026 views
The random variable x is the number of houses sold by a realtor in a single month at the Sendsom's
Real Estate office. Its
4 answers
asked by
Garcia
5,204 views
Assume that a dart is randomly thrown at the dartboard shown here and strikes the board every time. The payoffs are listed on
3 answers
asked by
Anonymous
1,892 views
A certain sweepstakes ticket has four categories of prizes with the following probabilities of being won:
Prize Probability
3 answers
asked by
Tina
692 views
/how do i solve this?
The probability of winning a game is 15%. If you play 20 times,how many times should you expect to win? A.5
10 answers
asked by
matt
2,665 views
A lottery has a grand prize of $180,000, two runner-up prizes of $22,500 each, eleven third-place prizes of $3600 each, and
4 answers
asked by
Cecylia
2,394 views
There is an equally likely chance that a falling dart will land anywhere on the rug below. The following system is used to find
4 answers
asked by
Rosmery
4,761 views
A bag contains 2 gold marbles, 6 silver marbles, and 23 black marbles. Someone offers to play this game: You randomly select one
4 answers
asked by
Ralph J. Bianchi
1,994 views
A prize of $100, $200, $500, or $1000 will be randomly awarded to a game show contestant, with the probabilities of winning each
3 answers
asked by
katie
2,656 views
Suppose we have a bag with $10$ slips of paper in it. Eight slips have a $3$ on them and the other two have a $9$ on them.
How
7 answers
asked by
Helen
3,948 views
The probability of a basketball player hitting a foul shot is start fraction 1 over 3 end fraction. How many shots would you
3 answers
asked by
Girl
851 views
The probability of a basketball player hitting a foul shot is one-third. How many shots would you expect her to make in 90
4 answers
asked by
bilbo
1,412 views
1. Suppose we have a bag with $10$ slips of paper in it. Eight slips have a $3$ on them and the other two have a $9$ on them.
Wha
7 answers
asked by
a student
968 views
suppose a student is offered a chance to draw a card from ordinary deck of 52 playing cards and win $10 if he or she draws an
4 answers
asked by
Len
2,514 views
Suppose someone gives you 8 to 2 odds that you can not roll two even numbers with the roll of two fair dice. This means you win
4 answers
asked by
Alex
3,456 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,
4 answers
asked by
Anonymous
7,557 views
An observer arrives at time slot 10 and sees that no arrival took place in that slot. A passerby informs the observer that there
2 answers
asked anonymously
175 views
The PMF of the random variable Y satisfies pY(−1)=1/6 , pY(2)=2/6 , pY(5)=3/6 , and pY(y)=0 for all other values y . The
4 answers
asked by
Vince
2,108 views
An oil prospector will drill a succession of holes in a given area to find a productive well. The probability that he is
5 answers
asked by
Katy
5,141 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