For each value of z*, find the cumulative probability P(Ż s z*). (Round your answers to four decimal places.) A USE SALT (a) z* = 1.96 (b) z* =-2.33 (c) z* = 2.58 (d) z* = 1.65

O If p(A) = 0.17, p(B) = 0.06 and p(A and B) = 0.0102, are A and B independent? %3D

Given the probability distribution below, find the missing value,y : x P(X=x) -97 0.041 53 y 87 0.233 -41 0.077 119 0.027

In a waiting line situation, arrivals occur at a rate of 2 per minute, and the service times average 18 seconds. *Please show formulas in EXCEL format a. What is λ? 2 per min b. What is μ? 18 seconds c. Find probability of no units in the system. d. Find average number of units in the system. e. Find average time in the waiting line. f. Find average time in the system. g. Find probability that there is one person waiting. h. Find probability an arrival will have to wait.

For each probability expression, find the unknown z- value(s). Unless directed otherwise, use three decimals in your answers. (a) P(Z ≤ zo) = 0.86. Find zo. 20 (b) P(Z ≤ zo) = 0.24. Find zo. 20 = 20 (c) P(Z ≥ zo) = 0.4. Find zo. = 20 = (c) P(z0 ≤ Z ≤ 0.64) = 0.5988. Find zo. = (use two decimals)

Let P(A) = 0.65, P(B) = 0.30, and PCA | B) = 0.45. a. Calculate PCA n B). (Round your answer to 3 decimal places.) CS Scanned with CamScanner

Find the value of a using probability (z-table):  P[-a < Z < a] = 0.7994

I just need the answer

Find the value of X (Left Tailed Probability of 0.5) for v1 = 10 and v2 = 20 degrees of freedom.

Find the Geometric probability:  P(X = 5) when π=.50 and P(X = 3) when π=.25