The random variable X has a unform distribution over the interval [-1,3]. Find the following probabilities a) P(1.5 < X < 2.5). (b) P(X > 3.0).
The random variable X has a unform distribution over the interval [-1,3]. Find the following probabilities...
5. A continuous random variable X follows a uniform distribution over the interval [0, 8]. (a) Find P(X> 3). (b) Instead of following a uniform distribution, suppose that X assumes values in the interval [0, 8) according to the probability density function pictured to the right. What is h the value of h? Find P(x > 3). HINT: The area of a triangle is base x height. 2 0 0
2. Random variable Z has the standard normal distribution. Find the following probabilities a): P[Z > 2] b) : P[0.67 <z c): P[Z > -1.32] d): P(Z > 1.96] e): P[-1 <Z <2] : P[-2.4 < Z < -1.2] g): P[Z-0.5) 3. Random variable 2 has the standard normal distribution. Find the values from the following probabilities. a): P[Z > 2) - 0.431 b): P[:<] -0.121 c): P[Z > 2] = 0.978 d): P[2] > 2] -0.001 e): P[- <Z...
10. Suppose that a random variable X has the uniform distribution on the interval [-2,8). Find the pdf of X and the value of P(O<X<7).
Exhibit 6-1 Consider the continuous random variable x, which has a uniform distribution over the interval from 20 to 28. Refer to Exhibit 6-1. The probability density function has what value Select one: O a in the interval between 20 and 28? 1.000 O b. C. 0.125 d. 0.050 Exhibit 6-1 Consider the continuous random variable x, which has a uniform distribution over ase interval from 20 to 28 Refer to Exhibit 6-1. The probability that x will take on...
lo (P15) Suppose X is a random variable with the uniform distribution over the interval (1.2) and Y = X4 (a) Compute P[Y St] as a function of t. You need to distinguish three different cases. (b) Find the probability density function of Y and use it to compute EY).
7. If x is a binomial random variable find the following probabilities: a) P(x = 2) n = 10 and p = .40 b) P (x < 5) for n = 15 and p = .60 8. Find pl, oland o for n = 25 and p = .50
Consider the continuous random variable X, which has a uniform distribution over the interval from 0.46 to 0.96, what is the probability that X will take on a value between 0.62 and 0.84?
let x be a random variable which takes values in the interval (1,3). the density function of x is proportional to 2^x. find the mean
5. Imagine a random variable X that has a binomial distribution with n = 12 and p = 0.4. Determine the following probabilities a) P(X 5) b) P(X s2) c) P(X9) d) P (3 X<5)
Assume W is a random variable with a Student t-distribution. Find the following probabilities a.) P[0 ≤ W ≤ 4.303] when W has 2 degrees of freedom b.) P[-2.447 ≤ W ≤ 3.143] when W has 6 degree of freedom c.) P[-1.310 ≤ W ≤ 1.310] when W has 30 degrees of freedom d.) P[-1.96 ≤ W ≤ 1.96] when W has ∞ degrees of freedom Make sure you show your work.