Questions LLC
Login
or
Sign Up
Ask a New Question
Probability and Statistics
Page 10
Questions (4,610)
Let X and Y be independent random variables, each uniformly distributed on the interval [0,1]
a) Let Z = max{X,Y}. Find the PDF
2 answers
asked by
silly_muffin
123 views
A fair dice with face numbered 1,2,3,4,5,6 is thrown twice.what is the probability of obtaining a prime from each throw
2 answers
asked by
Sola
103 views
One bag contains 2 yellow and 3 red balls , another 3 Yellow is and 4 red balls,one ball is drawn from each bag.what is the
2 answers
asked by
Sola
90 views
The lifetime (in months) of a battery is modeled by a random variable X that has pdf
\displaystyle \displaystyle f_\theta
10 answers
asked anonymously
222 views
The lifetime (in months) of a battery is modeled by a random variable X that has pdf
\displaystyle \displaystyle f_\theta
6 answers
asked anonymously
192 views
In one town, 70% of adults have health insurance. What is the probability that 6 adults selected at random from the town all
2 answers
asked anonymously
124 views
In one town, 70% of adults have health insurance. What is the probability that 6 adults selected at random from the town all
2 answers
asked anonymously
117 views
If we randomly select one of the customers represented in the table, estimate the probability that the waiting time is between 8
2 answers
asked anonymously
119 views
Michael wants to take French or Spanish or both But classes are closed, and he must apply and get accepted to be allowed to
2 answers
asked anonymously
122 views
It a salesperson is chosen at random the probability that his potential for advancement is Good given that his Sales Ability is
2 answers
asked anonymously
105 views
Another question. The law of iterated expectations tells us that E[E[X/Y]] = E[X]. Suppose that we want apply this law in a
4 answers
asked by
silly_muffin
94 views
As in the last video, let X=\Theta +W, where \Theta and W are independent normal random variables and W has mean zero.
a) Assume
2 answers
asked anonymously
144 views
Suppose that \Theta takes values in [0,1] and its PDF is of the form
f_{\Theta }(\theta )= a\theta (1-\theta )^2,\ \ \
2 answers
asked anonymously
216 views
Let X be an exponential random variable and let Y = a*X + b. What are the conditions for Y to be exponential?
7 answers
asked by
silly_muffin
89 views
This figure below describes the joint PDF of the random variables X and Y. These random variables take values in [0,2] and
4 answers
asked by
silly_muffin
154 views
A sample of 125 is drawn form population with proportion equal to .065 determine the probability of success
A 80 or fewer
2 answers
asked by
Birhanu
123 views
The expected value of a non-negative continuous random variable X, which is defined by
E(X) = β« x * fx(x) dx with lower limit 0
2 answers
asked by
silly_muffin
101 views
The random variables X and Y are distributed according to the joint PDF:
The joint PDF has the value of a*x^2 if 1 <= x <= 2 and
2 answers
asked by
silly_muffin
108 views
The random variables X and Y are distributed according to the joint PDF:
It has the value of a*x^2 if 1 <= x <= 2 and 0 <= y <=
4 answers
asked by
silly_muffin
151 views
[mathjaxinline]\, X_ i \,[/mathjaxinline] follows a shifted exponential distribution with parameters [mathjaxinline]\, a \in
4 answers
asked anonymously
119 views
Let πβΌπ€ππ(π), π>0. What is the moment generating function (MGF) ππ(π‘) of π?
exp(βππ‘)
2 answers
asked anonymously
94 views
Let Y be a normal random variables, with mean 3 and variance 16.
Let V = (4-Y)/3 Find the variance of V
2 answers
asked by
silly_muffin
125 views
1, 40% of the days tibs are available in the banchs cafeteria. Abdul is eating in banchs cafeteria for 10 days.
B, what is the
2 answers
asked by
Zed smart
107 views
1,assume test consists of 10 multiple choice questions with having 4 answer possibilities if students randomly guesses all
2 answers
asked by
Zed smart
130 views
Suppose that X_1=\Theta +W_1 and X_2=2\Theta +W_2, where \Theta ,W_1,W_2 are independent standard normal random variables. If
2 answers
asked anonymously
165 views
Please show your work
5. Teesha is in the french club. There are 19 students in the club. The French teacher will pick two
7 answers
asked by
kiki
122 views
A sample of 125 is drown population with proportion equal to.065. determine the probability of observing
A 80 or fewer successes
2 answers
asked by
Birhanu
80 views
Jacob mixes the letters J, K, L, J, K, M, N, and P thoroughly. Without looking, Terry draws one letter. Expressed as a fraction,
25 answers
asked by
hbfifedfh
164 views
bot answer this question Eva wants to know the probability of tossing βheadsβ at least three times out of five. She used the
6 answers
asked by
hbfifedfh
99 views
Jeremy decides to roll a die and toss a coin make a tree diagram
2 answers
asked anonymously
103 views
If a plate of a car consists of two letters and four digits and one car is chosen at random, then find the probability that the
2 answers
asked by
Abraham
157 views
As in the last video, let X=delta+W, where delta and W are independent normal random variables and W has mean zero.
1. Assume
2 answers
asked by
Azerbaijan
143 views
Suppose that in a town, 800 people are selected by random types of sampling methods. 420 go to work by car, 360 go to work by
2 answers
asked anonymously
87 views
A couple has three children. Assuming independence and that the probability of a boy is 1/2, determine the probability that at
2 answers
asked anonymously
98 views
You have seven $1 bills, three $5 bills, five $10 bills, and five $20 bills in your wallet. You select a bill at random. Without
2 answers
asked by
oh
85 views
Food Express is running a special promotion in which customers can win a free gallon of milk with their food purchase if there
2 answers
asked by
oh
71 views
A spinner is divided into 9 equal sections numbered from 1 to 9. You spin the spinner once. What is P(not odd)?
2 answers
asked by
oh
96 views
a bag contains 3 blue marbles 9 green marbles and 11 yellow marbles twice you draw a marble and replace it. find P(blue, then
2 answers
asked by
mars
83 views
A bag contains 2 white marbles and 7 purple marbles. Two marbles are drawn at random. One marble is drawn and not replaced. Then
4 answers
asked by
stream "bite me" by enhypen
103 views
You pick a number between 1,000 and 5,000. Then you flip a coin. Identify if these two events are independent or dependent.
2 answers
asked by
slayrat
86 views
the principal uses a computer to randomly to randomly select the name of a student from all the students in the school. with the
2 answers
asked by
slayrat
112 views
A sporting goods store received an order of 80 baseball caps, of which 12 are green. If 1 of the 80 caps is selected at random,
2 answers
asked by
slayrat
93 views
Classify each pair of these events as either independent or dependent. You select a number 1 through 6 by tossing a standard
2 answers
asked by
slayrat
71 views
Let \, X\, be a random varible with invertible cdf \, F_ X. Define another random variable \, Y=F_ X(X). Find the cdf F_ Y of \,
2 answers
asked anonymously
78 views
A defective coin minting machine produces coins whose probability of Heads is a random variable [mathjaxinline]Q[/mathjaxinline]
2 answers
asked anonymously
100 views
Let X_1, \ldots , X_ n \stackrel{iid}{\sim } \mathbf{P} for some distribution \, \mathbf{P}\,, and let F denote its cdf. Let F_
2 answers
asked anonymously
138 views
Let X_1, \ldots , X_ n \stackrel{iid}{\sim } \mathbf{P} for some distribution \, \mathbf{P}\,, and let F denote its cdf. Let F_
2 answers
asked anonymously
96 views
Let X and Y be real-valued random variables, both distributed according to a distribution \, \mathbf{P}.\, (We make no
2 answers
asked anonymously
100 views
Let \mathbf{p}^0 be the discrete pmf that we wish to test the goodness of fit for an observed sequence of iid samples. Let
4 answers
asked anonymously
82 views
Hallie is trying to win the grand prize on a game show. Should she try her luck by spinning a wheel with 6 equal sections
2 answers
asked by
stream "bite me" by enhypen
106 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