Question 2. Given the probability density function p(x) = 0.9x – 6.47 and domain [7.8, 8.8),...
The table below represents the probability density function for the rain available X find the standard deviation of X ng Numbers Calcula + earn/course/Saa1a356-2cd6-4fc4-9700-47b2031814c4/assignment/5168e143-84c3-443a-bc96-98d4dc647876 d the Standard Deviation of a Discrete Random Variable From Its Probability Density Function Question The table below represents the probability density function for the random variable X. Find the standard deviation of X Round the final answer to two decimal places. POX x) X 0 1/6 4 1/3 8 1/2 O Help nCopy to Clipboard...
PLEASE SOLVE FULLY WITH NEAT HANDWRITING AND STATE THE FINAL ANSWER IN A BOX!!!!! Suppose that the density (pdf) function for a random variable X is given by f(X) = _ for 0 SX the probability P(0.5 1)? Round your answer to four decimal places. 2 and f(x)-0 otherwise. What is Suppose that the density (pdf) function for a random variable X is given by f(X) = _ for 0 SX the probability P(0.5 1)? Round your answer to four...
x A probability density function of a random variable is given by f(x) = @ ż on the interval [4, 8]. Find the expected value, the variance, and the standard deviation. The expected value is u (Round to two decimal places as needed.) The variance is Var(x)=0 (Round the final answer to two decimal places as needed. Use the expected value rounded to two decimal places. Do not round any other intermediate values.) The standard deviation is o (Round the...
The table below represents the probability density function for the random variable X. Find the standard deviation of X. Round the final answer to two decimal places. x P(X = x) 0 1/5 2 2/5 6 2/5
X 1 A probability density function of a random variable is given by f(x) = 10 - a on the interval [2, 8]. Find the expected value, the variance, and the standard deviation. The expected value is u ~ (Round to two decimal places as needed.) The variance is Var(X) ~ (Round the final answer to two decimal places as needed. Use the expected value rounded to two decimal places. Do not round any other intermediate values.) The standard deviation...
Let X be a random variable with probability density function a) Find the mean of X b) Find the standard deviation of X round to four decimal places. c) Let G = X2 Find the probability density function fG of G Show work for each part plz f(x) = { 1 x (3-X) it osx=2 Co otherwise
QUESTION 3 Suppose that the density (pdf) function for a random variable X is given by f(x) = the probability P(0.5 SXs 17 Round your answer to four decimal places. for Os x s2 and f(x) = 0 otherwise. What is
х 1 A probability density function of a random variable is given by f(x) = standard deviation. wi- on the interval (1, 3). Find the expected value, the variance, and the 2 The expected value is u (Round to two decimal places as needed.) The variance is Var(x). (Round the final answer to two decimal places as needed. Use the expected value rounded to two decimal places. Do not round any other intermediate values.) The standard deviation is on (Round...
3 The probability density function of a random variable on the interval [9, 16] is f(x) = x. Find the following values. a. Find the expected value The expected value is (Round to two decimal places as needed.) b. Find the variance. The variance is (Round to two decimal places as needed.) c. Find the standard deviation The standard deviation is (Round to two decimal places as needed.) d. Find the probability that the random variable has a value greater...
Consider the following exponential probability density function. f(x) = 1 4 e−x/4 for x ≥ 0 (a) Write the formula for P(x ≤ x0). (b) Find P(x ≤ 3). (Round your answer to four decimal places.) (c) Find P(x ≥ 4). (Round your answer to four decimal places.) (d) Find P(x ≤ 6). (Round your answer to four decimal places.) (e) Find P(3 ≤ x ≤ 6). (Round your answer to four decimal places.)