5,381 Answered Questions for the topic probability

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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Probability Math Statistics

08/24/20

probabilty questions:
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) [Hint: consider 3... more
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Probability

08/23/20

If you are dealt 4 cards from a shuffled deck of 52​ cards, find the probability that all 4 cards are clubs.
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Probability

08/21/20

You have an equally likely chance of rolling any value on each of two distinct dice what’s the probability of rolling a sum of either 7 or 9
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Probability

08/21/20

probability question
The probability of a fish weighing more than 20kg is 0.78. A ship catches 15 fish in the first hour.The probability that the first fish caught weighs more than 20kg given at least 8 out of the 15... more
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Probability

08/21/20

Probabilty question

Organize all the outcomes of spinning the following spinners simultaneously. Use your result to calculate the probability observing a prime number and vowel.
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Probability

08/21/20

probability question (data)
5 students were surveyed. 15 take both biology and physics. 42 take biology and 32 take physics. Use Venn diagram to organize this data then calculate the probability that a student selected at... more
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Probability Math Statistics

08/20/20

4. The following letters are rearranged BROWN. What is the probability that the BRO are together and in this order

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Probability

08/20/20

Probability question
A manufacturer knows that their items have a normally distributed length, with a mean of 16 inches, and standard deviation of 1.9 inches.a. If one item is chosen at random, what is the probability... more
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