282 Answered Questions for the topic Probability Problems

Probability Problems Maths

06/19/15

probability help required please..
seven digit number  from the digits   1,2,3,4,5,6,7,8,9  are written in a random  order .The probability that this seven digit number is divisible by 9 is?   1/9 1/3 1/5 2/9
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Probability Problems Probability & Statistics

06/17/15

What is your expected value?
In a game you bet $1 and toss two coins. If two heads come up, you win a profit of 75 cents. If two tails come up, no one wins anything. Otherwise, you lose your dollar. What is your expected value... more
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Probability Problems Probability & Statistics

06/17/15

What is the expected cost to the company of a batch of 3000 tires?
A company manufactures tires at a cost of $40 each. The following are probabilities of defective tires in a given production run: probability of no defective tires: 10%; probability of 1% defective... more
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Probability Problems Math Probability Math Help

06/15/15

probability, binomial experiment
According to a report of the Nielsen company 65% of internet searches in may 2010 used the google search engine. assume that a sample of 20 searches is studied.    a) what is the probability that... more
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06/15/15

binomial experiment, probability
according to a report of the Nielsen company 65% of internet searches in may 2010 used the google search engine. Assume that sample of 20 searches is studied.   a) What is the probability that... more
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Probability Problems

06/14/15

Probability - How to determine population parameter
Please help. A researcher collated data on American's leisure time activities  She found the mean number of hours spent watching tv to be 2.7 hrs with a standard deviation of 0.2hrs.  John believes... more
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Probability Problems

06/09/15

Independent Probability
A card is picked from a pack of 52 playing cards. Let F be the event of selecting a black card and let G be that of selecting a face card. Are F and G independent events? (Enter your probabilities... more
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Probability Problems

05/31/15

Probability
                 In a law firm consisting of 20 lawyers, 9 are criminal lawyers, 6 are divorce lawyers, and 4 are both criminal and divorce lawyers. If a lawyer from this firm is chosen at random,... more
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05/31/15

I need help with this difficult word problem
Before the 1976, California license-plate numbers consisted of three numbers (for example, EGT 893). In the summer of 1976, however, the state ran out of numbers of this type and started issuing... more
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Probability Problems Probability

05/31/15

How likely is that the Good guys will get to play at least 2 of 5 games?
The Good Guys have a series of 5 games to play, with 1 game each day from Monday to Friday.If it rains on the day of the scheduled game, the game is cancelled. There is a 30% probability of rain... more
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Probability Problems Probability Problem Solving Operations

05/23/15

How can i find the mean and standard deviation (probability) for PERT questions?
If the normal distribution were used to find the probability of finishing this project in 24 weeks or fewer, what mean and standard deviation would be used? (a) 20.833 and 5.144 (b) 22.167 and... more
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Probability Problems Probability Probability & Statistics

05/20/15

Probability Problem
You play a gamed e that requires rolling a six-sided then randomly choosing a colored card from a deck containing 3 red cards, 8 blue cards, and 6 yellow cards.  Find the probability that you will... more
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05/20/15

how many different ways can the letters PROBLEM be arranged? Considering all of the possibles arrangements of the letters, what is the probability of actually s
Need help! 
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Probability Problems

04/17/15

probability
In a certain town in Illinois, it rained on 148 out of the 366 days in the year 2012. 22 of those days were Wednesdays, and 20 of those days were Saturdays. Suppose it was raining at noon on a... more
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Probability Problems

04/15/15

Conditional Probabilites - What is the probability a candidate will get the job?
To get a job at a government agency, a candidate needs to pass a written exam, an oral exam, and an interview. Suppose the probabilities of passing the written exam, the oral exam, and the... more
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Probability Problems

04/14/15

there are three people running a race. If each finishes first, second or third, how many different ways are possible?
Scott, Brandon and Nick are running a road race.  If each finishes the race in either first, second or third place, how many different ways are possible to finish the race?
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Probability Problems Probability Sets Math Help For College

04/08/15

(1) What is Pr[B] if A and B are independent events? (2) What is Pr[B] if A and B are disjoint events?
For this problem, assume that Pr[A ∪B] = 0.6 and Pr[A] = 0.35.(1) What is Pr[B] if A and B are independent events? (2) What is Pr[B] if A and B are disjoint events?
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Probability Problems Probability Probability & Statistics

04/08/15

A bag contains 54 red marbles, 44 blue marbles, and 2 green marbles. Probability
A bag contains 54 red marbles, 44 blue marbles, and 2 green marbles.  What is the probability of drawing at least 1 red marble and 1 blue marble, if four marbles total are chosen without... more
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Probability Problems Probability Frequency Probab

03/19/15

find the probability
35 Blue (B); 20 Large (L), 15 Small (S)30 Yellow (Y); 5L, 25S20 Green (G); 15L, 5S15 Red (R); 10L, 5S calculate 1. p(R½L) 2. p(all R in a sample of 3 selected with replacement) 3. p(the frequency... more
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Probability Problems

02/25/15

spinning a spinner that has 5 equal sections marked 1 through 5 and landing on an even number
finding the probability and putting it in simplest form
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Probability Problems

02/25/15

probability function
There are 100 scrabble tiles, 12 tiles are the letter E,   when 7 tiles are taken (without putting any back), what is the function to determine the probability of getting EXACTLY two E's in the... more
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Probability Problems Statistics Probability Word Problem

02/21/15

Stats word probability problem
If possible, please assist me with the formula and finding the answer please!   In a simple game, a six-sided die is rolled 4 times. If all four rolls result in either 1 or 2, then the player... more
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Probability Problems Probability Word Problem Word Problems

02/13/15

Practice Test Question, Probability with Percents, Please Help?
Mrs. Jones surveys her class about their siblings. In the class, 75% of the students have a brother, 82% have a sister, and 65% have both a brother and a sister. What is the probability that a... more
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Probability Problems Probability Probability & Statistics

01/29/15

Someone could help me to solve this problem - Probability Exercise! Thank you!
Over a long period of time in a large multinational corporation, 10% of all sales trainees are rated as outstanding, 75% are rated as execellent/good, 10% are rated as satisfactory, and 5% are... more
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Probability Problems

01/26/15

..Can someone show me how to set this up? Should be an experiment with Equally Likely outcomes
A poker hand consists of five cards drawn from a deck of 52 cards.Each card has one of 13 denominations (2,3,4...10,Jack,Queen,King,Ace) and one of four suits... more
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