I need the solution in details please.
I need the solution in details please. Find the expected value of the function gx) X...
Find the expected value for the random variable x whose
probability function graph is displayed here. What is
the expected value of the random variable?
Find the expected value for the random variable x whose probability function graph is displayed here. ULL 0 1 2 3 4 5 What is the expected value of the random variable? (Round to the nearest hundredth as needed.)
please I need detailed explanation
The density function of a continuous random variable X is 4(9-2) 8 i 0 elsewhere Find: (a)the mean, mode and median of X. (b) the semi-interquartile range and the mean deviation of the distribution (c) the coefficient of skewness and kurtosis of the distribution.
Find the expected value for the random variable x whose probability function graph is displayed here 02 2 33 What is the expected value of the random variable? (Round to the nearest hundredth as needed)
5. (Expected value) Let X be a continuous random variable with probability density function S2/a2 if 1 2, f(x) elsehwere. 0 Find the expected value E (In X). Hint: Integration by parts
7. Let X a be random variable with probability density function given by -1 < x < 1 fx(x) otherwise (a) Find the mean u and variance o2 of X (b) Derive the moment generating function of X and state the values for which it is defined (c) For the value(s) at which the moment generating function found in part (b) is (are) not defined, what should the moment generating function be defined as? Justify your answer (d) Let X1,...
Let X have probability density function f(2)= k(1+x) -3 for 0 < x < oo and f(x) = 0 elsewhere. a. Find the constant k and Find the c.d.f. of X. b. Find the expected value and the variance of X. Are both well defined? c. Suppose you are required to generate a random variable X with the probability density function f(x). You have available to you a computer program that will generate a random variable U having a U[0,...
#5 please
2. Find the probability distribution function for the random variable representing picking a random real number between -1 and 1. (This is a piecewise defined function.) 3. Compute the mean of the random variable with density function if x>0 ed f(r) = if r < 0. 0 4. Compute the mean of the random variable with density function 2e (1 - cos x) if x >0 if r<O. f (x) = 5 Compute the variance and standard deviation...
(1 point) Scale the functions to convert them into probability density functions. Then find the expected value of a random variable with those densities. If not possible, type dne. (a) f(x) = Te-7* 0 >0, otherwise multiplier to convert f(x) into a probability density function: expected value of a random variable with this density: (b) f(x) 9 sin(2) 0< x <, otherwise 0 multiplier to convert f(x) into a probability density function: expected value of a random variable with this...
I'm not sure how to do a stats problem. I really need
help on it
it's problem 3.94
3.92. Find (a) the mode, (b) the median of a random variable X having density function f(x) = lo frowse xzo otherwise and (c) compare with the mean. 3.93. Work Problem 3.100 if the density function is 4x(1 - x) 0sxsl lo otherwise 3.94. Find (a) the median, (b) the mode for a random variable X defined by - 2 prob. 1/3...
2. The random variable, X has the following probability mass function (i) Find the value of the constant c. HINT: It will help to use the identity = (i) Find the cumulative distribution function of X and sketch both the probability mass function and the cumulative distribution function NOTE: Think carefully about the values of r for which you need to define the distribution function. (ii) Calculate P(X 2 50) and PX 2 50 x2 40