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Conditional probability
Page 2
Questions (1,746)
The newest invention of the 6.041x staff is a three-sided die. On any roll of this die, the result is 1 with probability 1/2, 2
5 answers
asked by
qwerty
7,496 views
A basket of fruits contains 5 bananas, 8 mangoes, and 7 apples. Two fruits are randomly selected without replacement. Calculate
2 answers
asked anonymously
274 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 A be
6 answers
asked by
Johan
3,440 views
Problem 1. Marie gives away children toys
Marie distributes toys for toddlers. She makes visits to households and gives away one
4 answers
asked by
Diane Lin
2,229 views
This exercise is about conditional probability.
A jar contains five red balls numbered 1 to 5, and six green balls numbered 1 to
4 answers
asked by
deen
1,599 views
A bag contains 4 blue balls, 7 yellow balls and 4 white balls. Event A is defined as drawing a blue ball on the first draw and
5 answers
asked by
Sophia
2,056 views
A bag contains 5 blue marbles, 8 green marbles, 4 red marbles, and 3 yellow marbles.
Event A = drawing a green marble on the
4 answers
asked by
Sophia
1,950 views
A two-digit locker combination has two non-zero digits and no digit is repeated in any combination
Event A = the first digit is
4 answers
asked by
Sophia
1,656 views
Andrea has 8 blue socks and 4 red socks. She chooses one sock at random and puts it on. She then chooses another sock without
5 answers
asked by
Aubrey T.
2,285 views
The probability that a house is burglarized in the city is 5%. If 50 houses are randomly selected, what is the probability that
4 answers
asked by
Sherry
10,757 views
A poll asked 500 adults if they thought Ontario should produce more, less or maintain current production of ethanol.
-160 people
4 answers
asked by
anon
1,284 views
The probability that a person owns a microwave oven is .75, that a person owns a compact disk player is .25, and that a person
4 answers
asked by
Lori
2,557 views
Students were surveyed to find out their favorite ice cream flavors. The results showed that 48% chose vanilla and 20% chose
3 answers
asked by
H
616 views
In a shipment of alarm clocks, the probability that one alarm clock is defective is 0.04. Charlie selects three alarm clocks at
4 answers
asked by
nikkie
980 views
A box contains 3 red marbles, 6 blue marbles, and 1 white marble. The marbles are selected at random, one at a time, and are not
4 answers
asked by
Mike
1,502 views
The water supply in a town depends entirely on two pumps. A and B. The probability of pump A filling is 0.1 and the probability
4 answers
asked by
kudu
1,178 views
Assume that on a week day one telephone number out of every ten being called is busy.If 6 randomly selected numbers are called
4 answers
asked by
gourav
571 views
A survey of high school juniors found that 82% of students plan on attending college. If you pick three students at random, what
1 answer
asked by
G
22 views
Students in the 7th and 8th grade at Imawinner Middle School are going on a field trip to the aquarium. If a student actively
1 answer
asked by
(BMR) Black Music Rappers X Music Hotel :3 ;P
110 views
Students in the 7th and 8th grade at Imawinner Middle School are going on a field trip to the planetarium. If a student actively
1 answer
asked by
I <3 MY EXXX
29 views
A random survey found that 8 of the 32 people surveyed prefer jogging. Based on those results, about how many people prefer
1 answer
asked by
Given a triangular pyramid and triangular prism wi
17 views
Two cards are drawn without replacement from a standard deck of 52
playing cards. What is the probability of choosing a queen for
1 answer
asked anonymously
34 views
Suppose you like to keep a jar of change on your desk. Currently, the jar contains the following:
8 Pennies 13 Dimes 12 Nickels
1 answer
asked anonymously
32 views
The probability that a dessert sold at a certain cafe contains chocolate is 73%. The probability that a dessert contains both
1 answer
asked by
ask
27 views
A survey of high school juniors found that 82% of students plan on attending college. If you pick three students at random, what
1 answer
asked anonymously
16 views
A money envelope contains five $10 bills, ten $20 bills, and fifteen $50 bills. Sandra randomly selects two bills without
1 answer
asked anonymously
24 views
Dharen has to randomly select two cards from a standard deck of 52 cards without returning the first card. A standard deck of
1 answer
asked by
winston
20 views
The probability that a city bus is ready for service when needed is 84%. The probability that a city bus is ready for service
1 answer
asked anonymously
12 views
A survey of 80 employees was conducted asking about which meals they regularly eat at the office. Twenty employees eat breakfast
3 answers
asked anonymously
36 views
Studying Online
Girls Boys Row total Want the option to keep studying online 10 3 13 Don’t want the option to keep studying
3 answers
asked by
shu! u9
16 views
Julio is attending a summer camp. It has two sessions, and participants are divided into three groups: Red, Yellow, and Green.
1 answer
asked anonymously
17 views
Each person in a group of students was identified by year and asked when he or she preferred taking classes: in the morning,
1 answer
asked by
bot
23 views
Use the table to answer the question.
Cherries Grapes North 120 125 South 25 75 Examine the data from a survey about the part of
1 answer
asked anonymously
10 views
What is the probability of rolling an odd number on the first roll of a six-sided cube and rolling an even number on the second
1 answer
asked by
gojira48
32 views
Each person in a group of students was identified by year and asked when he or she preferred taking classes: in the morning,
1 answer
asked anonymously
18 views
A nickel, a penny, and a dime are placed inside a bag. One coin is randomly picked three times. If the coin is replaced after
1 answer
asked anonymously
20 views
there are four presidential candidates in a country a streyy was conducted asking 2500 registered voters which canidatebthey
1 answer
asked anonymously
12 views
A desk drawer has 20 pens: 4 fountain pens, 10 gel pens, and 6 ballpoint pens. What is the probability of randomly choosing a
1 answer
asked anonymously
15 views
Let K be a discrete random variable that can take the values 1 , 2 , and 3 , all with equal probability. Suppose that X takes
5 answers
asked by
ANON
2,422 views
The bias of a coin (i.e., the probability of Heads) can take three possible values, 1/4 , 1/2 , or 3/4 , and is modeled as a
5 answers
asked by
Anil07
2,938 views
Consider the same stick-breaking problem as in the previous clip, and let l=1. Recall that fX,Y(x,y)=1/x when 0<=y<=x<=1.
a)
5 answers
asked by
maria
1,465 views
Of 500 employees of a firm 280 have a life insurance policy ,400 have a medical insurance cover and 200 participate in both
5 answers
asked by
Jackie
3,332 views
Amy immigrated to a new city, and would like to make friends with her new neighbours.
On any particular day i, she feels shy with
13 answers
asked by
Mona
3,751 views
This figure below describes the joint PDF of the random variables X and Y. These random variables take values in [0,2] and
5 answers
asked by
RVE
7,926 views
A customer at Cavallaro’s Fruit Stand picks a sample of 3 oranges at random from a crate containing 60 oranges, of which 4 are
4 answers
asked by
Brandon
4,401 views
The numbers 1 to 15 are placed in a hat, and a number is selected. What is the probability that the number is 4 given it is
4 answers
asked by
Roger
5,974 views
A certain virus infects one in every 200 people. A test used to detect the virus in a person is positive 90% of the time if the
4 answers
asked by
Anonymous
3,179 views
(a) Of the next 10 cars entering a petrol station, what is the probability that exactly three of them should have their oil
1 answer
asked by
John
350 views
A bag contains tiles with the letters P-R-O-B-A-B-I-L-I-T-Y. Tyler chooses a tile without looking and doesn’t replace it. He
58 answers
asked by
Probability Math
5,881 views
Let K be a discrete random variable with PMF
pK(k)=⎧⎩⎨⎪⎪1/3,2/3,0if k=1,if k=2,otherwise. Conditional on K=1 or 2,
3 answers
asked by
RVE
4,849 views
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Parent Categories (59)
Basic Probability
Card selection
Coin flipping
Coin toss
Coin Tosses
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Combinations
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