3,267 Answered Questions for the topic probability

Probability Statistics

10h

#### 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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1d

#### 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

2d

#### 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?

Probability Statistics

3d

#### 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

3d

#### 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

3d

#### 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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Probability Statistics

4d

#### 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

4d

#### 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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4d

#### 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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5d

#### 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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5d

#### 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

6d

#### 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

6d

#### 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

6d

#### 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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6d

#### 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

6d

#### 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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7d

#### 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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Probability

7d

#### John stands in front of a sugary soft‐drink vending machine.

John stands in front of a sugary soft‐drink vending machine. This machine randomlydispenses one of four different flavored colas. The machine contains exactly two cans of eachflavor. Find the...
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Probability Statistics

7d

#### what is the probability?

A radar unit is used to measure the speed of cars. Records show that the measures of speed are normally distributed with a mean of 95 km/hr and a standard deviation of 14km/hr. The probability that...
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Probability Statistics

7d

#### What is the probability of getting delivered.

food delivery service in america has mean delivery time of 55 mins with a standard deviation of 20mins. Assuming that the distribution is normally distributed, then the probability that the food...
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7d

#### How much will expect to gain/lose?

Ace's Pizza delivers several types of pizza, which is sold for 499 php and cost 300 php to make. The pizza shop has a policy that no charge will be asked if the delivery takes longer than half an...
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#### Direct reasoning and indirect reasoning in math-2 alberta curriculum

A standard deck of 52 cards consists of 4 suits (hearts, clubs, diamonds and spades). If a student deals 3 cards from standard deck, determine the probability to the nearest hundredth, that at...
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Probability

8d

#### Not sure how to set up this problem

Wonder Widgets Inc produces Midget Widgets (MW).. Their data shows that 2% of the output is defective. A sample of 25 MWs is taken. (a) What is the probability that exactly two of this sample are...
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Probability Statistics

8d

#### Probability game

The probability of winning a game is 7/15. Determine the probability, expressed as afraction, of winning exactly 3 games if 5 games are played

Probability Statistics

8d

#### Probability, multiple choice

Jean guesses on all 7 questions on her multiple choice quiz. Find the probability if each question has 4 choices.P(exactly 6 correct)P(at most 2 correct)

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