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x is a binomial random variable. (Give your answers correct to three decimal places.)
(a) Calculat...
x is a binomial random variable. (Give your answers correct to three decimal places.)
(a) Calculat...
x is a binomial random variable. (Give your answers correct to three decimal places.)
(e) Calcu...
A binomial random variable is based on n = 28 and p = 0.7. Find x2P(x). (Give your answer correct to...
If x is a binomial variable with p = .4 and n = 25, write the probability that you would be looking...
Consider the binomial random variable x with n = 30 and p = 0.85.
(a) Find the mean. (Give your an...
Let X be a binomial random variable with n = 100 and p = 0.2. Find approximations to these probabili...
If x is a binomial random variable, calculate the probability of x for each case.
n=4, x=1, p=0.3 a...
Consider a binomial random variable where the number of trials is 12 and the probability of success...
Consider a binomial random variable X with parameters(4,1/2). Find the conditional probability mass...
7. The random variable X is distributed normally with a mean of 12.46 and variance of 13.11. You col...
A random variable X is best described by a continuous uniform distribution from 20 to 45 inclusive....
Let z be a random variable with a standard normal distribution, P(-1.9<=z<=2.1)
Let X be a random variable that takes integer values, with PMF pX(x) . Let Y be another integer...
Random variable X is normally distributed with mean 10 and standard deviation 2.
Compute the follow...
The random variable X has a Binomial Distribution B (11, p). If P (X =8) = P (X =7), find the value...
The random variable X has a log-normal distribution, when the mean of ln(X) = 5.45 and variance of l...
The random variable x is the number of houses sold by a realtor in a single month at the Sendsom's...
The random variable X has a PDF of the form
fX(x)=ce−4x2−24x+30,
where c is a normalizing c...
The random variable X has a PDF of the form
fX(x)={1x2,0,for x≥1,otherwise.
Let Y=X2 . Fo...
The random variable X has a standard normal distribution. Find the PDF of the random variable Y ,...
Let the random variable X be a random number with the uniform density curve given below.
P(0.6 < X...
The random variable W can take on the values of 0, 1, 2, 3, or 4. The expected value of W is 2.8. Wh...
Let X be a random variable with PDF fX. Find the PDF of the random variable Y=eX for each of the fol...
Let N be a random variable with mean E[N]=m, and Var(N)=v; let A1, A2,… be a sequence of i.i.d rando...
x is a random variable with the probability function: f(X) = x/6
for x = 1, 2 or 3 the expected val...
A random variable X is normally distributed with ì = 60. Convert the value of X to a z-score, if the...
If X is a random variable with distribution X~N(350,110)
find (a)P(X<400) and b)P(250<X<400)
The random variable X follows normal distribution.P(X<35)=0.2 and P(35<X<45)=0.65.Find mean and stan...
The PMF of the random variable Y satisfies pY(−1)=1/6 , pY(2)=2/6 , pY(5)=3/6 , and pY(y)=0 f...
The random variable X has the following density function:
f(x) = { x^2 if 0 < x < 3
{ 0...
The random variable X has the Poisson distribution with parameter λ > 0. According
to Chebeyshev’s...
the random variable x is known to be uniformly distributed between 70 and 90. the probability of x h...
Let x be a random variable that represents the length of time it takes a student to complete a take-...
If the random variable z is the standard normal score and a > 0, is it true that P(z > -a) = P(z < a...
Let X be a random variable that takes values between 0 and c only, for some c >= 0, so that P(0 <= X...
If X is a random variable which is normally distributed with a mean of 100, then P(X<100)=P(X>100)...
Let X be a random variable that takes non-zero values in [1,∞), with a PDF of the form
fX(x)=⎧⎩⎨c...
The random variable X has a binomial distribution with the probability of a success being 0.2 and th...
Suppose X is a random variable and Y = aX + b is a linear function of X. Show that the correlation o...
Let x be a random variable representing the monthly cost of joining a gym. We may assume that x has...
Suppose x is random variable with normal distribution (u,sigma^2) distribution and p(x<=0)=1/3 and p...
X is a random variable following binomial distribution with mean 2.4 and variance 1.44 find
A random variable has aprobability function p(x)=kx; x=1,2,3,4,5.find the value of k, p(x>=3),compu...
The random variable K is geometric with a parameter which is itself a uniform random variable Q on [...
Suppose a random variable X can take any value in the interval [−1,2] and a random variable Y...
The random variable X is uniformly distributed over the interval [θ,2θ]. The parameter θ is unknown...
Let the random variable X represent the number of people living in a household in a certain town. Th...
Let a random variable be distributed as shown below
X=x : 0,1,2,3,4,5,6
P(x): .1 .09 .2 .15 .16 ....
The random variable X is normally distributed with mean 45 and standard deviation a.Given that P(X>5...
A random variable X2 assumes only positive value.?
The random variable X is exponential with parameter λ=1 . The random variable Y is defined by...
The random variable is uniform in the (-2c,2c)interval . Find and sketch F(y) and f(y) if Y=X^2...
The discrete random variable W has probability density function (p.d.f.) given by:
P(W=w) = c(5-w)...
The random variable X is distributed as B(200,0.7).Use the normal approximation to the binomial dist...
The random variable X has probability density function f(x)={ax+bx2 , 0<x<1 . If E(X)=0.6 , find (a)...
the random variable x is normally distributed with a mean of 75 and a standard deviation of 15.0. Fo...
Suppose X is a random variable with mean μ and standard deviation σ. If a large number of trials is...
Let x be a random variable representing dividend yield of Australian bank stocks. We may assume tha...
The random variable Q is uniform on [0, 1]. Conditioned on Q = q, the random variable X is Bernoulli...
Can random variable(X) and probability of a random variable p(X) both be negative.
let the random variable x denote the number of girls in a five-child family. if the probability of...
A random variable x has a probability distribution. How to calculate E(1/(X+1))?
The random variable x represents the number of boys in a family with three children.
Assuming that...
t the discrete random variable X be uniform on {0,1,2} and let the discrete random variable Y be uni...
The Random Variable X is normally distributed with mean 560 and standard deviation 20.
Find P(X<5...
A random variable N has a cumulative distribution function given by
F(x)={ 0 for x<1
0....
A random variable x has a following probability distribution.
x: 0 1 2 3
P(X=x) 1/6...
8. A random variable X takes exactly the 5 values 1, 2,3,4,5, all with same probability. The mean of...
A random variable may assume any value between 10 and 50 with equal likelihoods. (Uniform distributi...
Suppose x is a random variable with mean and standard deviation. If a large number of trials is obs...
Suppose X is a random variable whose CDF is given by
F(x) = 0, X<0
X^3, 0<X<1;
1,...
n=18,x=14,p=0.75 using binomial probablility
Consider the following binomials.
A=(x^2+5x) B=(6x+30)
Part 1: Factor each binomial by...
the binomial 8y^12+z^6 can be factored into a binomial and a trinomial. the binomial factor is (2y^4...
CLT for the binomial
Let X be binomial with parameters n=49 and p=1/10.
The mean of X is:
u...
Which of the following binomials is a factor of x^3+4x^2+x-6
x-2
x+2
x-4
x+4...
1) Use the Binomial Theorem to write out the expansion of (a+b+c)^4. Hint think of (a+b+c)^4 as [(a+...
Which binomial is a factor of f(x) = x4 - 27x2 -14x + 120?
(x-4)
(x-2)
(x + 5)
(x + 6)
1) Can you write a binomial in standard form with degree of zero? Explain.
2)Canyou write a bino...
You will need a binomial table for n = 20 for this problem. Suppose that a quiz consists of 20 True-...
Use the binomial theorem to evaluate (1.004)^8 correct to 5 decimal places.
I just learned about binomial nomenclature and taxonomy. Where can I find a database of every single...
Which binomial is a factor of f(x) = x4-27x2-14x + 120?
this binomial can be factored as the product of a binomial and trinomial. Enter the binomial factor....
Using the binomial theorem, Find the first three terms in the expansion of (x-(1/x))^5.
My soluti...
Use the binomial formula to find the coefficient of the y^24 s
term in the expansion of (y+2s)^25...
In a binomial distribution, n = 12 and π = .60. find the probability x=5
Use the Binomial Theorem to write the first three terms of the binomial.
(x+2y)^10
Use the the Binomial Theorem to expand the binomial.
(3a+4x)^3
If you multiply a binomial by a trinomial, is the degree of the product always 5?
Using the binomial theorem, Find the first three terms in the expansion of (x^2+2y^3)^20
For a binomial distribution, the data collected are the result of counts
Use the binomial theorem to expand (2-1/4X)⁴
A binomial experiment has the given number of trials N and the given success probability P.
n= 13,...
Determine if the binomial is a perfect square binomial. If so, show the original monomial squared....
6.18 Calculate each binomial probability:
a. Fewer than 4 successes in 12 trials with a 10 percent...
The binomial expansion of (5-x/2)^6 is 15625 + px+qx^2+... Find the value of "p" and the value of "q...
Which binomial is a factor of:
2x^2 + x - 3?
A. (x + 1)
B. (2x + 3)
C. (2x - 3)
D. (2...