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Probability and Statistics
Page 3
Questions (4,605)
Two identical biased coins are tossed together, and the outcome is recorded. After a large number of trials it is observed that
4 answers
asked by
Harry
1,397 views
Four persons are chosen at random from a group of 10 persons consisting of 4 men and 6
women. Three of the women are sisters.
4 answers
asked by
Kj
1,747 views
How do you solve:
n is 2 given that it is even The directions say "let n be a randomly selected integer from 1-20. Find the
4 answers
asked by
PLEASE HELP ME OUT!!
1,988 views
Suppose that a graphing calculator is programming to generate a random natural number between 1 and 10 inclusive . What is the
5 answers
asked by
Helen
2,509 views
T and M are events such that n(U)=30, n(M)=17, n(T)=10, n((TUM)')=5
Draw a Venn diagram to display this information Hence find
4 answers
asked by
didier
1,618 views
Michael is playing tournament chess against a computer program and the probability he wins against the program at any given game
4 answers
asked by
zxz
1,125 views
Suppose a box of marbles contains equal numbers of red marbles and yellow marbles but twice as many green marbles as red
4 answers
asked by
Gayle
1,586 views
You are interested in the number of chocolate chips on a cookie. To estimate this number, you consider two different
3 answers
asked by
Joseph
1,037 views
A math class contains 7 females (three of whom speak French and the rest speak only English),and 12 males (two of whom speak
5 answers
asked by
jennifer
5,307 views
1.
You flip a coin 30 times and get heads 11 times, so the chance of getting heads is eleven over thirty . Is this an example of
82 answers
asked by
Delilah
29,200 views
Richard is playing a game where he draws one playing card each out of two stacks of four cards.
Is Richard more likely to draw
5 answers
asked by
Laura
2,099 views
et X and Y be independent Erlang random variables with common parameter λ and of order m and n, respectively. Is the random
4 answers
asked by
David
1,333 views
Consider a Poisson process with rate lambda = 2 and let T be the time of the first arrival.
1. Find the conditional PDF of T
9 answers
asked by
SC
3,734 views
A survey shows that 15% of men in a certain town are tall. if a man is chosen on the street of the town are afternoor. What is
7 answers
asked by
Amadou kanteh
1,552 views
find the probability of spinning each of the following p (7)
1/7* 1/8 3/8 7/8 P(not 7) 1/7 1/8 5/8 7/8 P(a multiple of 2) 0.25
27 answers
asked by
Anonymous
4,479 views
2. Based on the experimental probability predict the number of times you will roll a 5 if you roll the number cube 300 times.
15�
28 answers
asked by
Brasil
4,101 views
if you roll a die 54 times how many times would you expect it to land on 6
5 answers
asked by
anna vullo
979 views
1. The table shows the results of spinning a four-colored spinner 50 times. Find the experimental probability and express it as
93 answers
asked by
DragonBornFU5R0D48
22,001 views
Let X be a continuous random variable, uniformly distributed on some interval, and let Y = aX + b. The random variable will be a
4 answers
asked by
Anonymous
1,371 views
Bowls A and B contain a number of white and red balls. Clark repeatedly selected a ball from both bowls and recorded the results
2 answers
asked by
:)
268 views
A fair tetrahedral dice (with face number 1,2,3,4)and a fair coin are tossed together.
A) construct a table for the sample space
4 answers
asked by
Winnie faith
287 views
An experiment involves picking a card from a selection of cards numbered 5, 10, and 15. In equation form, what is the
3 answers
asked by
jerem
232 views
Consider a Poisson process with rate λ. Let N be the number of arrivals in (0,t] and M be the number of arrivals in (0,t+s],
4 answers
asked by
JuanPro
2,172 views
A bag contains 6 red marbles, 3 white marbles, and 7 blue marbles. You pick a marble without looking. Find the probability of
53 answers
asked by
Emily
19,352 views
6 black counters and 4 white counters in bag A.
7 black counters and 3 white counters in bag B. 5 black counters and 5 white
7 answers
asked by
Alexander
5,950 views
1. What is the experimental probability that the next customer buys any red notebooks?
Chart: Red 100 Pages 55 notebooks 150
4 answers
asked by
Anonymous
2,940 views
Two coins were tossed 10 times. The results are shown below.
toss: 1 | 2| 3 | 4 | 5 | 6 | 7 | 8 | 9 | |10 results: hh | tt | ht |
15 answers
asked by
davonte s
3,241 views
A box contains some white balls and some blue balls. There are 5 more blue balls than white balls. One ball is removed at random
9 answers
asked by
Courtney
3,007 views
If you roll a 6-sided die 96 times, what is the best prediction possible for the number of times you will roll a one?
6 answers
asked by
Anonymous
1,508 views
A deck from a card game is made up of about 108 cards. Twenty-five of them are red, yellow, blue, and green, and eight are wild
6 answers
asked by
Jackie
5,028 views
A fair tetrahedral die (with face 1,2,3 and 4)and a fair coin are tosses together
Construct a table of sample space of a random
7 answers
asked by
Stephen
2,265 views
72% working women use computers choose 5 at random
whats the probility at least 1 does not use a computer whats the probility
5 answers
asked by
max
13,972 views
A bowl contains 3 red balls, 2 blue balls and 5 white balls. A ball is selected and the color noted. Then it is replaced. A
7 answers
asked by
Maryan
8,428 views
A spinner is used for which it is equally probable that the pointer will land on any one of six regions. Three of the regions
5 answers
asked by
John
14,988 views
In a batch of 8,000 clock radios 5% are defective. A sample of 14 clock radios is randomly selected without replacement from the
6 answers
asked by
havier
13,649 views
if you know the names of the starting batters for a baseball team, what is the probability of randomly selecting a batting order
5 answers
asked by
recie yanders
2,354 views
if 18% of all Americans are underweight, find the probability that if three Americans are selected at random all will be
4 answers
asked by
kathy
2,155 views
Suppose the probability that a construction company will be awarded certain contract is .25, the probability that it will be
4 answers
asked by
crissy
2,233 views
if a set of six books is placed randomly on a shelf, what is the probability that they will be arranged in either correct or
4 answers
asked by
Katie
1,188 views
A box contains 12 bulbs with 3 defective ones. If two bulbs are drawn from the box together.what is the probability that a)both
4 answers
asked by
mulugeta
2,109 views
Carey has a bag of marbles, there are 4 red marbles, 5 blue marbles, and 1 green marble. She conducted an experiment in which
4 answers
asked by
INEEDTHIS
1,289 views
There are 2 white marbles in urn A and 4 red marbles in urn B . At each step of the process a marble is selected from each urn
4 answers
asked by
Subhadip
839 views
A cube is rolled 30 times, how many times will it land on 5 or 6?
3 answers
asked by
Zingo
633 views
a) In a supermarket, the average arrival rate of customers is 10 every 30 minutes, following Poisson process. The average time
1 answer
asked anonymously
139 views
A middle school has 450 students. In a random sample of 100 students, 8 students indicated that they have traveled outside the
1 answer
asked anonymously
72 views
Compound Events – Portfolio
Use the worksheet to record your answers to the Compound Events portfolio activities. When you are
1 answer
asked anonymously
62 views
Bowls a and b contain a number of white and red balls. Clark repeatedly selected 100 balls from bothe bowls and recorded the
1 answer
asked anonymously
21 views
Let Θ1 and Θ2 be some unobserved Bernoulli random variables and let X be an observation. Conditional on X=x, the posterior
5 answers
asked by
SPS
4,117 views
Determine whether each of the following statement is true (i.e., always true) or false (i.e., not always true).
1. Let X be a
3 answers
asked by
RVE
3,766 views
How many ways can an IRS auditor select 3 of 11 tax returns for an audit?
There are 8 members on a board of directors. If they
5 answers
asked by
Ashley
4,455 views
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