5,395 Answered Questions for the topic probability

Probability

09/07/20

If one student is chosen from the school, what’s the probability of a freshman being chosen?
Sentinel High School was found to have the number of students listed below.Freshman-455sophomore-450junior-504Senior-591
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Probability

09/06/20

What is the probability that all 4 selected are men​?
executive committee consists of 12 ​members: 5 men and 7 women. 4 members are selected at random to attend a meeting in Hawaii. The names are drawn from a hat.
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Probability

09/06/20

Given Normal Distribution and probability, find mean
If x is normally distributed with mean 𝜇 and standard deviation 𝜎 = 4 and given that the probability that x is less than 32 is 0.0228, find the value of 𝜇.
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Probability

09/05/20

a probability question
say we are having a random drawing and given the following conditions:the possibility of the drawn number greater than 50 is 20% the possibility of the drawn number smaller than -50 is 15%now what... more
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Probability Of An Event

09/03/20

A box is filled with 12 yellow cards, 3 red cards, and 3 brown cards. A card is chosen at random from the box. What is the probability that the card is not red?
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Probability Fractions Numbers Percents

09/03/20

Big Ideas Online 10.5
You randomly choose one of the tiles. Without replacing the first tile, you choose a second tile. What is the probability of the compound event? Write your answer as a fraction or percent rounded... more
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Probability Math Statistics

09/03/20

HELP!!!! How many games of War would you expect to play until you had a game that lasted just 26 turns with no mini “Wars,” like the girl claimed?
A girl claimed that she once won a game of War that lasted exactly 26 turns.War is a two-player card game in which a standard deck of cards is first shuffled and then divided into two piles with 26... more
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Probability

09/02/20

Consider the variable Joe's weight next Friday. What is the probability he weighs 170 pounds, the same weight he told you for last Friday?
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Probability

08/30/20

Probability Question
(Seating arrangements.) In how many ways can 8 people be seated in a Round table if (a) there are no restrictions on the seating arrangement? (b) persons A and B must sit next to each other? (c)... more
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Probability Statistics

08/29/20

Construct a probability mass function of all possible outcomes and find the expected amount that the gambler will get.
In a distant past where gambling is still allowed, a gambling King Pin (who is really good in math), placed a very tricky game. Given one deck of cards, a gambler (who is not good in math) is... more
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Probability

08/28/20

A car rental agency has 18 compact cars and 12 intermediate size cars. If 4 of the cars are randomly selected for a safety check, what is the probability of getting two of each kind?
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08/26/20

grade 12 data management
A PIN number for a bank card consists of 4-6 digits, with no restrictions. How many such PIN numbers are possible? (Repetition is allowed and 0 is allowed in first position)~Avery and Bradley work... more
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08/26/20

1. A PIN number for a bank card consists of 4-6 digits, with no restrictions. How many such PIN numbers are possible? (Repetition is allowed and 0 is allowed in first position)
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Probability Data Management

08/25/20

Probabilty Data Managment questions

1. A family of 7 are to take a photograph.a) How many arrangements are possible if the triplets (Jack, Bob, Don) are side by sideb) How many arrangements are possible if the Parents (Aex and Molly)... more
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08/25/20

probability question
The results for a university entrance exam are normally distributed with µ=48 and σ=9. What is the probability that an exam chosen at random will have a score greater than 63, but less than... more
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Probability Math Statistics

08/25/20

grade 12 data management questions
A family of 7 are to take a photograph. a)      How many arrangements are possible if the triplets (Jack, Bob, Don) are side by side    b)     How many arrangements are possible if the... more
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Probability Math Statistics

08/25/20

grade 12 data management questions
A survey asked randomly chosen Star Wars fans how many times they watched any of the 6 movies in the series in the past six months. When the position of the percentile falls in a range,... more
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Probability Math Statistics

08/25/20

grade 12 data management

Avery and Bradley work at a large electronics manufacturer that produces DVD players. The defective rate on the assembly line has gone up to 12% and the manager wants to know the probability that... more
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Probability Math Statistics

08/25/20

Binomial distribution
Avery and Bradley work at a large electronics manufacturer that produces DVD players. The defective rate on the assembly line has gone up to 12% and the manager wants to know the probability that... more
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08/25/20

Can someone check my answers for this question please?
A family of 7 are to take a photograph.a. How many arrangements are possible if the triplets (Jack, Bob, Don) are side by side?My Answer: 5! x 3!b. How man arrangements are possible if the parents... more
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Probability Math Statistics

08/25/20

Probability, arrangements
A family of 7 are to take a photograph.a) How many arrangements are possible if the triplets (Jack, Bob, Don) are side by sideb) How many arrangements are possible if the Parents (Alex and Molly)... more
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Probability Binomial Distribution

08/25/20

Binomial distribution
avery and bradly work at a large electronics manufacturer that produces dvd players.The defective rate on the assembly line has gone up to 12% and the manager wants to know the probabality that a... more
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Probability Statistics

08/25/20

Probability/Statistics
Avery and Bradley work at a large electronics manufacturer that produces DVD players. The defective rate on the assembly line has gone up to 12% and the manager wants to know the probability that... more
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08/25/20

Data Questions(Listed in Description)
1.A team of 7 students is to be selected from a class of 30.a. Aaron, Brad and Charles are students in this class. What is the probability that team includes these 3 students?b. How many team would... more
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Probability Statistics

08/25/20

Given P(A∪B)=0.7, P(A|B')=0.6, find P(B)
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