Questions LLC
Login
or
Sign Up
Ask a New Question
Probability and Statistics
Page 4
Questions (4,632)
A survey of 80 employees was conducted asking about which meals they regularly eat at the office. Twenty employees eat breakfast
2 answers
asked anonymously
255 views
Betty’s Bite-Size Candies are packaged in bags. The number of candies per bag is normally distributed, with a mean of 50
4 answers
asked by
Ashley Meeker
174 views
We have two fair three-sided dice, indexed by i=1,2. Each die has sides labelled 1, 2, and 3. We roll the two dice
5 answers
asked by
jon
7,312 views
Let X be a standard normal random variable. Let Y be a continuous random variable such that
fY|X(y|x)=1√2π*exp(−((y+2x)^2)/2
2 answers
asked anonymously
201 views
A standard deck of 52 cards contains four suits: hearts, diamonds, clubs, and spades. Each suit has 13 cards: ace, 2, 3, 4, 5,
3 answers
asked by
jerem
204 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
2,241 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
2,190 views
A deck of 10 cards labeled 1–10 is shuffled. One card is selected at random. If the experiment is repeated 120 times, how many
3 answers
asked by
Math
268 views
A basket of fruits contains 5 bananas, 8 mangoes, and 7 apples. Two fruits are randomly selected without replacement. Calculate
3 answers
asked by
Cheezet
408 views
A high school class conducts a survey where students are asked about their eye color and whether or not they wear glasses. The
4 answers
asked by
Red
331 views
Simulation to Predict Probability
Suppose a basketball player typically makes five out of eight foul shots. Question 1 How could
4 answers
asked by
One marble is randomly selected from the bag. In t
212 views
1.there is a box containing 3 red balls, 2 white balls and 5 blue balls. what is the probability of picking a red ball?
2.simplif
1 answer
asked by
MICHKENNY
96 views
there are 8 colors you spin twice what is the probability of spinning a blue than green? there are 2 greens and 3 blues.
2 answers
asked by
max
53 views
Marie distributes toys for toddlers. She makes visits to households and gives away one toy only on visits for which the door is
2 answers
asked by
Anonymous
143,589 views
For each of the following statements, state whether it is true (meaning, always true) or false (meaning, not always true):
1. Let
4 answers
asked by
Muhammad
1,586 views
Suppose that we have three engines, which we turn on at time 0. Each engine will eventually fail, and we model each engine"s
3 answers
asked by
Noonan
1,360 views
A jar contains 5 red marbles, numbered 1 to 5, and 12 blue marbles numbered 1 to 12.
a) A marble is chosen at random. If you're
4 answers
asked by
Melanie
7,440 views
consider a sequence of independent tosses of a biased coin at times k=0,1,2,…,n. On each toss, the probability of Heads is p,
5 answers
asked by
luke
8,800 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
19,372 views
A bag contains 4 white, 3 blue, and 5 red marbles.
1. Find the probability of choosing a red marble, then a white marble if the
66 answers
asked by
jjiiddss
25,485 views
please help!
1.) A random digit from 1 to 9 (inclusive) is chosen, with all digits being equally likely. The probability that
7 answers
asked by
karen
5,153 views
What is the probability of getting an even number when rolling a six-sided number cube?
0.5 5% 2/6 30% You place the letters for
72 answers
asked by
FluttershyK22
17,905 views
The random variable X is exponential with parameter λ=1 . The random variable Y is defined by Y=g(X)=1/(1+X) .
a) The inverse
6 answers
asked by
drain
3,640 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
4,507 views
A certain disease is present in 1 in 200 of the population.In a mass screening program quick test for the disease is used, but
5 answers
asked by
Raj
1,337 views
Bonita bought her mom a charm bracelet. Each charm is labeled with a one-word message.
What is the probability that the 5 charms
3 answers
asked by
nfngs
1,004 views
Your drawer contains 7 red socks and 6 blue socks. It's too dark to see the color of the socks, so you randomly pull two socks
4 answers
asked by
Anonymous
1,544 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!!
2,001 views
The Jones family has eight children, all of which are girls. What is the chance that the next child will be a boy? What is the
4 answers
asked by
Nikko
2,922 views
A security code used to consist of two odd digits, followed by four even digits. To allow more codes to be generated, a new
4 answers
asked by
alejandro
1,732 views
Consider an arrival process whose inter arrival times are independent exponential random variables with mean 2 (and consequently
2 answers
asked by
Ramya
114 views
Exercise: Path calculation
0.0/3.0 points (graded) Consider a Markov chain with the following transition probability graph: This
2 answers
asked anonymously
303 views
The probability that a person has immunity to a particular disease is 0.3. Find the mean and standard deviation for the random
4 answers
asked by
manny
2,406 views
Suppose that you toss a coin and roll a die. What is the probability of obtaining each of the following combinations? (Enter
5 answers
asked by
Anonymous
3,102 views
A six-sided die has been tossed 4 times. How many sequences of these 4 outcomes contain at least one number greater than 4?
4 answers
asked by
picklepeter
1,472 views
Standard Normanl Drill:
A. Find the number z such that the proportion of observations that are less than z in a standard Normal
5 answers
asked by
Devon
8,251 views
If each of two independent file servers has a reliability of 93% and either alone can run the website, then the overall website
4 answers
asked by
Rodnette
2,586 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
13,666 views
Selecting a letter of the alphabet: If 3 letters of the alphabet are selected at random, find the probability of getting at
4 answers
asked by
Anonymous
5,979 views
Assume that a researcher randomly selects 14 newborn babies and count the number of girls, X. The probabilities corresponding to
4 answers
asked by
Emily
2,186 views
Benjamin is selecting embellishments for a child’s dresser. There are 9 wooden embellishments, 5 ceramic embellishments, and 8
4 answers
asked by
yeet
1,999 views
Let X be an exponential random variable with parameter λ=2. Find the values of the following. Use 'e' for the base of the
4 answers
asked by
Anon
1,047 views
Let X and Y be independently random variables, with X uniformly distributed on [0,1] and Y uniformly distributed on [0,2] . Find
4 answers
asked by
Raul
814 views
A number cube is rolled 100 times. The results are shown in the table below.
Outcome: 1, 2, 3, 4, 5, 6. Number of times rolled:
12 answers
asked by
Xx
2,684 views
Suppose that 4 cards are drawn from a well-shuffled deck of 52 cards. What is the probability that all 4 are hearts?
There are 13
5 answers
asked by
Matt
5,130 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
3,055 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
1,059 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
630 views
the probability of passing an examination is 0.8 what is the probability of failing the examination
5 answers
asked by
abdulsamad
988 views
Each phone call by Ali consumes an amount of time that follows an exponential distribution with mean 5 minutes. The number of
23 answers
asked by
Alpha
3,567 views
Pages
1
2
3
4
5
6
7
8
9
10
Parent Categories (30)
Algebra
Alphabet and Letter
Alphabet and Letters
Calculus
College-level Mathematics
Dependent and Independent Events
Diseases
Eye color inheritance
Games and Puzzles
Intelligence Testing
Math
Math and Science
Math and Statistics
Math Education
Math Problem Solving
Mathematics
Mathematics and Data Analysis
Mathematics and Numbers
Mathematics and Probability
Mathematics and Statistics
Mathematics Education
Mathematics/Statistics
Physics or Electrical Engineering
Probability
Programming/Computer Science
Small Business Failures
Soccer
Statistics
Traditional Games
Workplace Training