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Conditional probability
Page 9
Questions (1,731)
Translate the following events into set notation using the symbols A and B, complement, union, intersection. Also give the
4 answers
asked by
Happy
1,430 views
of all 3-to 5-year- old children, 56% are enrolled in school. If a sample of 500 such children is randomly selected, find the
4 answers
asked by
miriam
3,992 views
A student takes a 20-question, true/false exam and guessed on each question. Find the probability of passing if the lowest
3 answers
asked by
Lori
1,648 views
At Guadalajara Airport, passengers must claim their luggage and then proceed to Customs. In the Customs area, each passenger
4 answers
asked by
Stephanie
2,179 views
Historically, 5 percent of a mail-order firm's repeat charge-account customers have an incorrect current address in the firm's
3 answers
asked by
Anonymous
1,175 views
suppose a single die is rolled find:
a) P(6, given that an odd number is rolled) b) P(5, given that ann odd number is rolled) is
3 answers
asked by
austin
832 views
Six cards-ace, king, queen of hearts; ace, king of diamonds; and king of clubs-are all placed face down a table. One card is to
4 answers
asked by
Anonymous
1,624 views
Suppose that 61% of students in a college have a smart phone. If you select three students at random, what is the probability
3 answers
asked by
hannah
140 views
You have a box of chocolates that contains 52 pieces of which 36 are solid chocolate, 13 are filled with cashews, and 3 are
1 answer
asked by
Anonymous
92 views
A spinner with 10 evenly sized sections and numbered 1 to 10 is spun. What is the probability that the number spun is 8 given
4 answers
asked by
John smith
525 views
Last year, when the first Covid-19 tests were being used, there were a few issues with accuracy. In April of 2020, 99% of the
3 answers
asked by
Jake
281 views
In a certain population, the probability that a woman has red hair is 1/4. If a woman has red hair, the probability of her
3 answers
asked by
heather
902 views
At a track meet with 190 participants, 20 participate in jumping events, 1/4 of these jumpers are female, and 1/2 of the total
3 answers
asked by
heather
849 views
You have three $1 bills, four $5 bills and two $10 in your wallet. You select a bill at random. Without replacing the bill, you
3 answers
asked by
Elijah
1,354 views
A jar contains 5 orange marbles, 3 black marbles, and 6 brown marbles.
Event A = drawing a brown marble on the first draw Event B
3 answers
asked by
Sophia
1,286 views
If the chance of having rain tomorrow is 3/8, what is the possibility of having rain in the next two days with no rain on the
7 answers
asked by
Ghumaisha
1,117 views
A basket contains the following pieces of fruit: 3 apples, 2 oranges, 2 bananas, 2 pears, and 5 peaches. Jack picks a fruit at
4 answers
asked by
SUNSHINE AND LOLLIPOPS!
1,083 views
The weather forecast predicts a 60% chance of rain.
However, if it does not rain, the Hershey family has a 90% chance of going to
3 answers
asked by
anonymous
3,084 views
A box contains 7 pieces of candy: 1 green, 1 blue, and 5 red. You select one piece at random. Find the following probabilities.
a
2 answers
asked by
Keonn'a
959 views
A contains some red and blue balls. There are four more red than blue balls. A ball is removed at random and replaced. A second
4 answers
asked by
Peter
2,558 views
In a group of 40 students, 22 study Economics, 25 study Law, and 3 study neither of these subjects. Determine the probability
4 answers
asked by
John
2,811 views
Of the total output of a factory, 35% is produced by workshop A and 65% by workshop B.on the average 15 out of 1000 times
1 answer
asked by
nandwa Geofry
424 views
A certain disease has an incidence rate of 0.8%. If the false negative rate is 7% and the false positive rate is 3%, compute the
3 answers
asked by
un
1,513 views
A certain virus infects one in every 500 people. A test used to detect the virus in a person is positive 90% of the time if the
3 answers
asked by
Anonymous
799 views
A certain disease has an incidence rate of 0.5%. If the false negative rate is 7% and the false positive rate is 2%, compute the
3 answers
asked by
Anonymous
554 views
A family has 3 children. Their first child was a girl. What I'd the probability that the two children are of different gender?
3 answers
asked by
Ana
636 views
In a certain high school class, consisting of 60 girls and 40 boys , it is observed that 24 girls and 16 boys wear eyeglasses.
4 answers
asked by
probability
1,572 views
A certain disease has an incidence rate of 0.6%. If the false negative rate is 4% and the false positive rate is 4%, compute the
5 answers
asked by
Anonymous
3,693 views
Al Cascade ,president of the litre coporation is studying hiscompany's chances of being awarded an important water
2 answers
asked by
othman
562 views
twenty light bulbs are tested three light bulbs fail the test. two light bulbs are selected at random without replacement from
4 answers
asked by
bernie
760 views
During a study of auto accident,the highway safety council found that 60%of all accident occur at night,52%are
3 answers
asked by
ankit
1,002 views
If a seed is planted, it has an 85% chance of growing into a healthy plant.if 8 seeds are planted what is the probability that
3 answers
asked by
Amy
3,401 views
In a class, 4/5 of the girls have brown hair. Of the brown-haired girls, 3/4 of the have long hair. Of the girls with long brown
5 answers
asked by
connor
2,326 views
3 students; A, B and C, are in a swimming race. A and B have the same probability of winning and each is twice as likely to win
2 answers
asked by
charles
3,899 views
Two urns each contain green balls and blue balls. Urn I contains 4 green balls and 6 blue balls, and Urn II contains 6 green
2 answers
asked by
Dakota
1,227 views
In a toy manufacturing company three machines A,B and C are employed to manufactures toys. Machines A, B and C manufacture 20%,
4 answers
asked by
Question
1,143 views
Suppose there is a 11.2% probability that a randomly selected person is aged 20 years or older and is also a jogger. In addition
3 answers
asked by
Alexander
2,026 views
I am kind of stuck on this one
Each of two urns contains green balls and red balls. Urn I contains 10 green balls and 8 red
6 answers
asked by
plz
1,544 views
Sammy and Sally each carry a bag containing a banana, a chocolate bar, and a licorice stick. Simultaneously, they take out a
3 answers
asked by
Scott
1,219 views
90%of a countrys population are a right handed . what is the probability that exactly 29 people in a group of 30 are right
3 answers
asked by
Elin
692 views
There are 30 seniors, 15 juniors, 12 freshman, and 10 sophomores in the club. When one student is picked randomly, what is the
2 answers
asked by
Anonymous
890 views
A survey of 1,200 men and women asked, "Do you earn over $75,000 per year?" The table below shows the responses for males and
3 answers
asked by
CollegeKid01
3,140 views
A small manufacturing company has rated
80% of its employees as satisfactory and 20% as unsatisfactory . Personnel records show
3 answers
asked by
Lina
1,082 views
A paper bag contains a mixture of three types of treats: 12 granola bars, 10 fruit bars, and 8 cheese strips. Suppose that you
3 answers
asked by
Leah
1,476 views
(Weighing produce). A supermarket has three employees who package and weigh produce. Employee A records the correct weight 98%
4 answers
asked by
Anonymous
888 views
The espresso project you are heading up will do well with probability 0.80. Given that it does well, you believe that the herbal
1 answer
asked by
nemo
686 views
a cellular phone manufacturer randomly selects 5 phones from every batch of 50 produced. if at least one of the phones is found
3 answers
asked by
Sim
471 views
A package of self-sticking notepads contains 6 yellow, 6 blue, 6 green, and 6 pink notepads. An experiment consists of randomly
3 answers
asked by
Larry
2,545 views
A jar contains 2 orange balls, 5 black balls, and 3 pink balls.
Event A = drawing a black ball on the first draw Event B =
4 answers
asked by
bubbie
1,109 views
Hi, I am just doing some maths revision in light of my maths GCSE resit, which is very soon. I am sitting the higher paper for
3 answers
asked by
Sam
2,796 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
Probabilities and Events
Probability
Probability analysis
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
Statistics
Statistics and Probability
Statistics or Probability
Surveys and Data Analysis
Tree Diagram
Tree Diagram and Probability of Events
Two-way Tables
Venn Diagrams