5,395 Answered Questions for the topic probability
10/23/20
What value of p makes this an evenly matched game of one-on-one, so that both players have an equal chance of winning before the coin is flipped?
Now that LeBron James and Anthony Davis have restored the Los Angeles Lakers to glory with their recent victory in the NBA Finals, suppose they decide to play a game of sudden-death, one-on-one...
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Probability
10/21/20
Anybody know the answer to this?
100 people play a lottery, and each has a probability 0.02 of winning the jackpot. Each person spends 1 dollar to buy a ticket, so the lottery owners receive a total of 100 dollars. From this pool...
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Probability
10/21/20
A softball player bats in a game. The at bat can result in an out, getting on base, or a home run. Find the number of possible outcomes for the sample space.
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Probability
10/21/20
What is the experimental probability that the next client to get a haircut Marshall’s will have blond hair?
Brown hair 7
black hair 7
blond hair 2
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10/20/20
Algebra question
Let f(x) = λ2xe-λx , x>0 , be the the г (2, λ) density function and let F(x) be its cdf. Solve the following interal equation using Laplace transforms:m(x) = F (x) + integration (upper =x ,...
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10/20/20
How do I get the mean/average with the given standard deviation 7ml and percentile which is 10%?
In the word promblem, it stated that a machine was set so that 10% of a 370ml can can contain less that 356ml.I'm not good with word problems and I'm confused which is which.
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Probability Statistics
10/19/20
How do I find the expected value for this game?
Hi, I'm having a bit of trouble trying to figure out the expected value for this game, so if you could help that would be really great and helpful. thanks so muchA game involves selecting a card...
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10/18/20
Suppose there are N candidates instead of three. What is the probability of a runoff?
On Nov. 3, the residents of X City will elect a mayor from among three candidates. The winner will be the candidate who receives an outright majority (i.e., more than 50 percent of the vote). But...
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Probability
10/17/20
The probability of everyone getting a new table?
We have 24 students in a classroom each with their own table. We decide to rearrange the seats and we give everyone a random place. What is the chance that no one sits back at his former table?
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Probability Statistics
10/17/20
I need help finding the expected value for this game
A game involves selecting a card from a regular 52-card deck and tossing a coin. The coin is a fair coin and is equally likely to land on heads or tails.
If the card is a face card, and the coin...
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Probability Statistics
10/16/20
Statistics and probability
1. Assume that there are 12 frozen dinners: 5 pasta, 4 chicken, and 3 seafood dinners. The student selects 5 of them.What is the probability that at least 2 of the dinners selected are pasta...
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Probability Statistics
10/16/20
How Do I Fill Out This PDF Table for This Problem?
I need help with this problem for my statistics class.Question: "A theater group holds a fund-raiser. It sells 100 raffle tickets for $7 apiece. Suppose you purchase four tickets. The prize is two...
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10/16/20
Probability questions for discrete mathematics.
1. Let X = {2, 3, 4}. Suppose that m is chosen uniformly at random from X. Then n is chosen uniformly at random from X. Let G be the random variable whose value is gcd(m, n). Let A be the event...
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Probability Statistics
10/16/20
normal distribution and/ or probability distribution
If a person tests positive for Tuberculosis (TB) and starts treatment immediately, it takes on average 6 months (183 days, with a standard deviation of 14 days) of treatment until they are...
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Probability Statistics
10/16/20
A dealer splits a standard 52-card deck of cards into 5 piles. The dealer tells you that one of the piles consists of all the face cards and aces.
Each of the remaining piles contains a single suit (so, one of the piles contains all the hearts with face values 2–10, another pilecontains all the spades with face values 2–10, etc.). The dealer...
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10/16/20
Maria''s phone has a 4-digit passcode, each digit is chosen from the set {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}.
The phone is designed to allow a passcode to be entered once every 5 seconds. Unfortunately, Maria has lost her memory. To get into the phone, she has to guess the passcode, but she cannot remember...
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10/15/20
Probabilty of matching hand to dealer's hand
Hey, so I have to make this gambling style game for a math project and I need some help finding the probability distribution.The way the game goes is the dealer takes 3 cards from a 52 card deck...
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10/15/20
How do I find P(T)? Please help, this is due tonight!
A box of cookies contains 4 chocolate and 6 butter cookies. Miguel randomly selects a cookie and eats it. Then he randomly selects another cookie and eats it. (How many cookies did he take?)
P(BB)...
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10/14/20
If there is a random arrangement of cars currently occupying four of the six spots, what’s the probability that I will have to parallel park?
Every weekend, I drive into town for contactless curbside pickup at a local restaurant. Across the street from the restaurant are six parking spots, lined up in a row.While I can parallel park,...
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Probability Statistics
10/14/20
People goto Sams Shop randomly and independently of each other at a rate of 15 per day,on (average). It's open from 7am - 5pm and a customer arrives. What's the standard deviation between customers?
Probability Statistics
10/13/20
how do I find probability for this homework problem??
The following table of data obtained from Baseball Alamanac shows hit information for four well-known baseball players. Suppose that one hit from the table is randomly selected.NAME ...
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Probability Statistics
10/13/20
I'm confused on this part of my homework. Any help would be great
A college finds that 10% of students have taken a distance learning class and that 40% of students are part-time students. Of the part-time students, 20% have taken a distance learning class....
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10/13/20
I need help solving this probability homework question
If you could help me that would be amazing. Thanks!Given events J and K:
P(J) = 0.19
P(K ) = 0.37
P(J OR K) = 0.42.
Find P(J AND K ). (Enter an exact number as an integer, fraction, or...
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Probability
10/13/20
Probability of selecting a heart and then selecting a club from a deck
Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced before the second card is selected. Find the probability of selecting a heart and then selecting a...
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10/13/20
How do I find the value that is one standard deviation below the mean?
The following data are the distances between a sample of 20 retail stores and a large distribution center. The distances are in miles.29; 30; 37; 40; 58; 67; 68; 69; 76; 81; 84; 95; 96; 96; 99;...
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