Question

Let f(x)=(1/2)(x/5), x=1,2,3,4 Hint: Calculate F(X). Find; (a) P(X=2) , (b) P(X≤3) , (c) P(X>2.5), (d)...

Let f(x)=(1/2)(x/5), x=1,2,3,4 Hint: Calculate F(X).

Find; (a) P(X=2) , (b) P(X≤3) , (c) P(X>2.5), (d) P(X≥1), (e) mean and variance, (f) Graph F(x)

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Let X be a random variable with pdf f(x)=12, 0<x<2. a) Find the cdf F(x). b)...
Let X be a random variable with pdf f(x)=12, 0<x<2. a) Find the cdf F(x). b) Find the mean of X. c) Find the variance of X. d) Find F (1.4). e) Find P(12<X<1). f) Find PX>3.
1. Find a. P(Z=-1.01) b. P(Z>10) c. P(-1.5<Z<2) d. P(-2.58<Z) e. P(Z<3.15) f. The 30th percentile...
1. Find a. P(Z=-1.01) b. P(Z>10) c. P(-1.5<Z<2) d. P(-2.58<Z) e. P(Z<3.15) f. The 30th percentile of Z g. The z value with 12% area to its right. 2. If X is normally distributed with a mean of 5.6 and a variance of 27, find a. P(X<2) b. P(-2.5<X<7.2) c. The 80th percentile of X
. Find a. P(Z=-1.01) b. P(Z>10) c. P(-1.5<Z<2) d. P(-2.58<Z) e. P(Z<3.15) f. The 30th percentile...
. Find a. P(Z=-1.01) b. P(Z>10) c. P(-1.5<Z<2) d. P(-2.58<Z) e. P(Z<3.15) f. The 30th percentile of Z g. The z value with 12% area to its right. 2. If X is normally distributed with a mean of 5.6 and a variance of 27, find a. P(X<2) b. P(-2.5<X<7.2) c. The 80th percentile of X
Let S = {a, b, c, d, e, f} with P(b) = 0.21, P(c) = 0.11,...
Let S = {a, b, c, d, e, f} with P(b) = 0.21, P(c) = 0.11, P(d) = 0.11, P(e) = 0.18, and P(f) = 0.19. Let E = {b, c, f} and F = {b, d, e, f}. Find P(a), P(E), and P(F).
Let X be a r.v with pmf p(x) = c( 2 /3 )^ x , x...
Let X be a r.v with pmf p(x) = c( 2 /3 )^ x , x = 0, 1, 2, 3, ... (infinitely many values of x) (a) Find the constant c. (b) With the constant you find in (a), find the mean E(X)
Let f(x) = x^2 + 1, x ∈ [2, 7]. Let P = {2,4,5,7}. Find L(f,P)...
Let f(x) = x^2 + 1, x ∈ [2, 7]. Let P = {2,4,5,7}. Find L(f,P) and U(f,P).
Let X = {1, 2, 3} and Y = {a, b, c, d, e}. (1) How...
Let X = {1, 2, 3} and Y = {a, b, c, d, e}. (1) How many functions f : X → Y are there? (2) How many injective functions f : X → Y are there? (3) What is a if (x + 2)10 = x 10 + · · · + ax7 + · · · + 512x + 1024?
a = [-5, -3, 2] b = [1, -7, 9] c = [7, -2, -3] d...
a = [-5, -3, 2] b = [1, -7, 9] c = [7, -2, -3] d = [4, -1, -9, -3] e = [-2, -7, 5, -3] a. Find (d) (e) b. Find (3a) (7c) c. Find Pe --> d d. Find Pc --> a +2b ex. C = |x|(xy/xy) C = xy/|x| ex. P x --> y = Cux = C(xy/x) (1/|x|) (x) =( xy/yy)(y)
1. Let X be a discrete random variable with the probability mass function P(x) = kx2...
1. Let X be a discrete random variable with the probability mass function P(x) = kx2 for x = 2, 3, 4, 6. (a) Find the appropriate value of k. (b) Find P(3), F(3), P(4.2), and F(4.2). (c) Sketch the graphs of the pmf P(x) and of the cdf F(x). (d) Find the mean µ and the variance σ 2 of X. [Note: For a random variable, by definition its mean is the same as its expectation, µ = E(X).]
Let f(x, y) = x^2 ln(x^3 + y). (a) Find the gradient of f. (b) Find...
Let f(x, y) = x^2 ln(x^3 + y). (a) Find the gradient of f. (b) Find the direction in which the function decreases most rapidly at the point P(2, 1). (Give the direction as a unit vector.) (c) Find the directions of zero change of f at the point P(2, 1). (Give both directions as a unit vector.)
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT