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Conditional probability
Page 6
Questions (1,744)
A biased coin lands heads with probabilty 2/3. The coin is tossed 3 times
a) Given that there was at least one head in the three
7 answers
asked by
Steve
3,633 views
out of 250 students interviewed at a community college, 90 were taking mathematics but not computer science, 160 were taking
4 answers
asked by
Emma
1,533 views
A newlywed couple wishes to have 3 children. What is the probability of having exactly 2 boys?
4 answers
asked by
Georgette
2,144 views
One bag contains 4 white balls and 3 black balls. If someone draws one ball from the bag and then replaces it and draws another,
9 answers
asked by
Lola
565 views
a survey indicates that 41% of women in the us consider reading as their favorite leisure time activity. you randomly select 4
4 answers
asked by
tiffany
2,554 views
You order twelve burritos to go from a Mexican restaurant, five with hot peppers and seven without. However, the restaurant
4 answers
asked by
Wardell
2,352 views
Assuming boy and girl babies are equally likely, find the probability that a family with three children will have exactly 1 boy
2 answers
asked by
Jazmine
827 views
If 90% of the households in a certain region have an answering machines and 50% have both answering machines and call waiting,
4 answers
asked by
anonymous
1,752 views
An insurance company classifies drivers as low-risk, medium-risk and high-risk. Of those insured, 60% are low-risk, 30% are
3 answers
asked by
Desperate student
1,528 views
A standard deck of cards has 52 cards divided into 4 suits, each of which has 13 cards. Two of the suits ($\heartsuit$ and
7 answers
asked by
Help
3,295 views
If a seed is planted, it has a 70% chance of growing into a healthy plant.
If 7 seeds are planted, what is the probability that
4 answers
asked by
Brandon
3,225 views
A defective coin minting machine produces coins whose probability of Heads is a random variable Q with PDF
fQ(q)={5*q^4 if
3 answers
asked by
Adam
1,386 views
Find the probability of drawing a face card that is a Diamond on the first draw, replacing it and drawing a black card on the
3 answers
asked by
Khi
794 views
Marley drives to work every day and passes two independently operated traffic lights. The probability that both lights are red
3 answers
asked by
nyshaw
2,831 views
In a city, every day is either cloudy or sunny (not both). If it's sunny on any given day, then the probability that the next
1 answer
asked by
Anonymous
692 views
There are 9 red gum balls, 5 green gum balls, 8 yellow gum balls, and 8 blue gum balls in a machine. Find P(green, then yellow)
5 answers
asked by
Eye Candy
972 views
A jar of 70 candies has the following colors: 28 orange, 7 white, 14 brown, and 21 yellow.
What is the probability of randomly
2 answers
asked by
Yah
72 views
each of three identical jewelry boxes has two drawers. in each drawer of the first box there is a gold watch. in each drawer of
3 answers
asked by
Woody
2,039 views
At a quality control checkpoint on a manufacturing assembly line, 8% of the items failed check A, 10% failed check B, and 2%
2 answers
asked by
Anna
530 views
The probability that a person stopping at petrol pump will get his tyres checked is 0.12, the probability that he will get his
6 answers
asked by
Ana
5,347 views
Repost
Explain what you've used and why? There are a large number of students in Luttley College. 60% of the students are boys.
5 answers
asked by
Raj
561 views
Assume that the probability of a boy being born is the same as the probability of a girl being born. Find the probability that a
2 answers
asked by
Bobbie
597 views
A scout leader is going to pair a new member with one of the existing 15 troop members. Five of the boys love to go camping, ten
4 answers
asked by
C.T.A.S.
526 views
Markov plays a game for three turns. On each turn, he either rolls a fair, six sided die or flips a fair coin. If he rolls a 1
5 answers
asked by
Anonymous
1,315 views
Given the PDF fY(y) of Y:
fY(y)= 0.2 ln(8) if y in [0, 3] 0.2 ln(8/y) if y in [3, 8] 0 otherwise Calculate P(|X−Y|≤1)
4 answers
asked anonymously
38 views
The table below shows the employment status of individuals living in a particular town by age group.
Full-time Part-time
3 answers
asked anonymously
67 views
Suppose that X is uniformly distributed on the interval [3,8], and that given X=x, Y is uniformly distributed on the interval
7 answers
asked anonymously
263 views
If a student is chosen at random, find the probability of getting someone who is a man or a non-smoker. Round your answer to
7 answers
asked by
Sam
11,286 views
If a seed is planted, it has a 65% chance of growing into a healthy plant.
If 11 seeds are planted, what is the probability that
5 answers
asked by
Anonymous
10,684 views
the probability it will snow in the next weeks is 1/12 for this week and 1/4 for next week.what is P(snow this week,then show
7 answers
asked by
HELP ME PLZ!
2,591 views
in a class of 26 students, 14 have a cat and 7 have a dog. There are 5 students who have a cat and dog. What is the probability
10 answers
asked by
David
1,771 views
In a shipment of 11 CD players, two are defective. Find the probability that a sample of 3 CD players will contain no more than
4 answers
asked by
vanessa
2,468 views
A jar contains 5 red marbles, numbered 1 to 5, and 11 blue marbles numbered 1 to 11.
a) A marble is chosen at random. If you're
4 answers
asked by
Jesus
2,627 views
an insurance company reported that 55% of all automobile damage claims were made by people under age 25. If six automobile
4 answers
asked by
EJ
1,732 views
In a class of 28 students, 19 have a cat and 6 have a dog. There are 5 students who do not have a cat or a dog. What is the
5 answers
asked by
Gigi
1,701 views
In a school, four out of five students have calculators.If two students are picked at random,what is the probability that a)
6 answers
asked by
Excel
2,146 views
Giving a test to a group of students, the grades and gender are summarized below
A B C Total Male 12 8 3 23 Female 19 18 4 41
5 answers
asked by
rosia
11,908 views
During a study of auto accidents, the highway safety council found that 60% of all accidents occur at night 52% are alcohol
5 answers
asked by
Abi
2,649 views
Assuming that the probability of male birth is 0.5,find the probability that in the family of 4 children there will be
A. 1 boy
3 answers
asked by
Anonymous
2,429 views
12.34 Screening job applicants. A company retains a psychologist to assess whether job applicants are suited for assembly-line
5 answers
asked by
Mary
3,595 views
The probability that Samantha will be accepted by the college of her choice and obtain a scholarship is 0.35. If the probability
4 answers
asked by
Maria M.
3,826 views
As in the previous lecture clip, consider the same example of two rolls of a 4-sided die, with all 16 outcomes equally likely.
4 answers
asked by
Ali
2,636 views
A company has four production sections viz., S1, S2, S3 and S4 which contribute 30%, 20%, 28% and 22% of the total output. It
6 answers
asked by
Harry
2,148 views
A basketball player makes 60% of the free throws that he attempts, except that if he has just tried and missed a free throw then
4 answers
asked by
john
2,638 views
a survey from teeneage research unlimited found that 30% of teenage consumers receive their spending money from parttime jobs.
5 answers
asked by
Khloe B
1,914 views
A retail shop accepts only cash or checks. Suppose that 54% of its customers carry cash, 51% carry checks, and 71% carry cash or
4 answers
asked by
Nicole
4,267 views
A multiple choice test has 3 questions and each question has 3 choices. If Nacho takes this test, what is the probability that
4 answers
asked by
Venice
3,340 views
Two cards are selected from a standard deck of 52 playing cards. The first card is not replaced before the second card is
4 answers
asked by
dilila gridwort
2,090 views
If a seed is planted, it has a 85% chance of growing into a healthy plant.
If 12 seeds are planted, what is the probability that
4 answers
asked by
Anonymous
3,392 views
The probability that a house in an urban area will develop a leak is 5%. If 82 houses are randomly selected, what is the
4 answers
asked by
megan
2,358 views
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Parent Categories (59)
Basic Probability
Card selection
Coin flipping
Coin toss
Coin Tosses
Coin Tossing
Combinations
Combinations and Permutations
Combinations/Permutations
Data Analysis
Dependent Events
Dice probability
Dice Rolling
Discrete Probability
Discrete Random Variables
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
Probability analysis
Probability and Statistics
Probability Calculation
Probability Calculations
Probability computation
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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
Statistics
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Statistics or Probability
Surveys and Data Analysis
Tree Diagram
Tree Diagram and Probability of Events
Two-way Tables
Venn Diagrams