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Conditional probability
Page 7
Questions (1,741)
Assume that each bag contains 6 balls. Bag a contains 3 red and 3 white, while bag b contains 2 red, 2 white, and 2 blue. You
4 answers
asked by
Tiff
1,983 views
There are 20 women in a bus, 15 of them wear glasses and 10 wear wrist watches. If a woman is chosen at random from the bus,
4 answers
asked by
Abdallah
498 views
Ming rolls a number cube, tosses a coin and chooses a card from two cards marked A and B. If an even number and heads appear,
6 answers
asked by
murph
1,981 views
A company has 140 employees, of which 30 are supervisors. Eighty of the employees are
married, and 20% of the married employees
5 answers
asked by
anique
2,749 views
A manufacturer ship toasters in cartons of 10. In each carton, they estimate a 20% chance that one of the toasters will need to
6 answers
asked by
Nick
6,596 views
Suppose that only 25% of all drivers come to a complete stop at an intersection having flashing red lights
in all directions when
4 answers
asked by
Rahul
1,009 views
The probability a car salesman sells a car to a customer is 0.05 Assuming the salesmen sees 14 customers in a week, what is the
4 answers
asked by
Kristy
2,216 views
1. Suppose there are two full bowls of cookies.
Bowl #1 has 10 chocolate chip and 30 plain cookies, while bowl #2 has 20 of each.
4 answers
asked by
Debbie
4,582 views
For a family with 2 children, the sample space indicating boy (B) or girl (G) is BB, BG, GB, and GG. If each of the outcomes is
4 answers
asked by
sarah
4,170 views
A clinic employs 9 physicians. 5 of the physicians are female. 4 patients arrive at once. Assuming the doctors are assigned
4 answers
asked by
John
2,482 views
1) A red die and a blue die are tossed. What is the probability that the red die shows a 3 and the blue die shows a number
4 answers
asked by
Lucy
1,669 views
Abia is one of three servers who work at a restaurant that is open from Tuesday to Sunday. Every week the servers randomly draw
4 answers
asked by
Homeworktaker
785 views
You roll two fair dice. Let E be the event that an even total shows on the dice. Let F be the event that a three shows on at
3 answers
asked by
Hannah
3,481 views
Supposed (as is roughly correct) that each child born is equally likely to be a boy or a girl and that sexes of successive
4 answers
asked by
Chelsea
2,341 views
the probability sue purchases a dress is 3/5. if she does buy a dress, the probability she buys shoes is 5/8. If she does not
4 answers
asked by
J.Math
1,731 views
The probability of a randomly selected car crashing during a year in a certain country is .0479. If a family has three cars,
4 answers
asked by
Jana
1,611 views
A machine has four components, A, B, C, and D, set up in such a manner that all four parts must work for the machine to work
4 answers
asked by
April
3,136 views
In an epidemic, the probability of having S|D is 0.2 and P(D) = 0.1. P(S|D') = 0.04 and P (D') = 0.01. What is the P(D|S)?
4 answers
asked by
Rondezy
113 views
Dr. Owino needs two students to help him with a science demonstration for his class of 18 girls and 12 boys. He randomly chooses
4 answers
asked by
Nicas
844 views
Jar A contains 8 red balls and 2 green balls. Jar B contains 6 red balls and 3 green balls. You randomly select one ball from
4 answers
asked by
Laiali
1,355 views
Abia is one of three servers who work at a restaurant that is open from tuesday to sunday.
Every week the servers randomly draw
3 answers
asked by
Polly
1,800 views
Electric motors coming off two assembly lines are pooled for storage in a common stockroom, and the room contains an equal
4 answers
asked by
JORHO
1,098 views
A class consists of 23 women and 83 men. If a student is randomly selected, what is the
probability that the student is a woman?
4 answers
asked by
massie
2,233 views
In a certain high school, the probability that a student drops out is 0.08, and the probability that a dropout gets a
4 answers
asked by
shan
2,541 views
An Urn contains 7 red and 3 white balls. Two balls are drawn in succession without replacement. If the second ball is white,
4 answers
asked by
Emily
1,713 views
All printed circuit boards (PCB) that are manufactured at a certain plant are inspected. An analysis of the company’s record
3 answers
asked by
Joshua
1,103 views
twenty light bulbs are tested to see if they claims last long as the manufacturers claims they do. three light bulbs failed the
4 answers
asked by
bernie
1,591 views
In a certain population, 1% of all individuals are carriers of a particular disease. A diagnostic test for this disease has a
4 answers
asked by
Anonymous
1,705 views
A vacuum cleaner company has three machines, each making electric cords.
Machine 1 is the oldest and of all units it produces
4 answers
asked by
xiny
127 views
Your professor tells you that if you score an 85 or better on your midterm exam, then you have a 90% chance of getting an A for
4 answers
asked by
lara
2,235 views
a bag of fruit contains 4 apples, 1 plum, 2 apricots, 3 oranges. Pieces of fruit are drawn twice with replacement. What is
6 answers
asked by
Awesome
2,102 views
A specially made pair of dice has only one- and two-spots on the
faces. One of the dice has three faces with one-spot and three
3 answers
asked by
Sunny
910 views
If the probability of an authentic laying goose is 0.83, find the probability of getting a laying goose on or before the fourht
5 answers
asked by
Sherri
886 views
A student takes a true-false test that has 13 questions and guesses randomly at each answer. Let X be the number of questions
4 answers
asked by
Abigail
2,703 views
Out of 10students the favourites drinks of seven is coke and a favourite drinkof kthe rest is Fanta a teacher picks a student at
4 answers
asked by
Anonymous
705 views
At a particular hospital,records show that each day, on average,80% of people keep their appointment at the outpatient's clinic.
4 answers
asked by
Raj
615 views
A golfer has 12 golf shirts in his closet. Suppose 9 of these shirts are white and the others blue. He gets dressed in the dark,
7 answers
asked by
tasneem
3,043 views
Two cards are drawn in succession without replacement from a standard deck of 52 cards. What is the probability that the first
4 answers
asked by
Rahat
2,322 views
Spaceman Spiff’s spacecraft has a warning light that is supposed to switch on when the freem
blasters are overheated. Let W be
3 answers
asked by
jerome
965 views
According to the record of the registrar's office at a state university, 35% of the students are freshman, 25% are sophomore,
3 answers
asked by
Morgan
2,860 views
A company ships computer components in boxes that contain 20 items. Assume that the probability of a defective computer
4 answers
asked by
GIBSON
2,773 views
A stock market analyst figures the probabilities that two related stocks, A and B, will go up in price. She finds the
4 answers
asked by
sarah
1,050 views
A group of 50 teachers and school administrators attended a convention. If any two persons are picked at random, at least one of
4 answers
asked by
Katia
1,494 views
Suppose one card is selected at random from an ordinary deck of 52 playing cards.
Let A= event a diamond is selected B=event a
3 answers
asked by
HM
618 views
A coin is tossed and then a die is rolled. Find the probability of getting a 5 on the die given that the coin landed tails up.
4 answers
asked by
allen
2,828 views
Suppose a single die is rolled, Find:
a)P(6, given that an odd number was rolled) b) P(5, given that an odd number was rolled)
3 answers
asked by
helpme
1,303 views
60 paintings. T= Painting from 20th century. B= British painting. A painting is chosen random.it is from the 20 century. Work
3 answers
asked by
<3
725 views
A defective coin minting machine produces coins whose probability of Heads is a random variable Q with PDF
fQ(q)={5q4,0,if
3 answers
asked by
Anonymous
2,880 views
In a box there are 20 balls.7 of the balls are white. The first ball drawn from the box is white. What is the probability that
3 answers
asked by
tom
839 views
Consider 10 independent tosses of a biased coin with the probability of Heads at each toss equal to p , where 0 < p < 1 .
1. Let
3 answers
asked by
qwerty
1,816 views
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Parent Categories (59)
Basic Probability
Card selection
Coin flipping
Coin toss
Coin Tosses
Coin Tossing
Combinations
Combinations and Permutations
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Data Analysis
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Dice probability
Dice Rolling
Discrete Probability
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Disease Testing
Disease Testing and Diagnosis
Drawing Cards
Experimental Probability
Independent Events
Inductive Reasoning
Job Offers and Roles
Joint Distributions
Joint Probability
Joint Probability Distribution
Math/Probability
Poisson process
Probabilistic Events
Probabilities
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Probability
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Probability and Statistics
Probability Calculation
Probability Calculations
Probability computation
Probability Concepts
Probability Distribution
Probability Mass Function
Probability of an Event
Probability of Events
Probability of picking candies
Probability Theory
Probability Trees
Problem-solving or Combinatorics
Random Variables
Random Variables and Distributions
Sampling and Events
Sampling and Probability
Set notation
Set Theory or Probability Theory
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Tree Diagram
Tree Diagram and Probability of Events
Two-way Tables
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