Determine P(z 〈-2.5) 0 A) B) 0.3 0.0041399 0.0031049 0.2 C) D) 0.1 0.18630 0.0062099 μ-0 E) None of These
x -3 - 2 - 1 0 1 P(X = x) 0.1 0.1 0.2 0.3 0.3 Copy Data Step 2 of 5: Find the variance. Round your answer to one decimal place. E Tables Keypad Answer How to enter your answer
Determine the corresponding z values for a 85.0 percent confidence interval. SEL A) B) za/2 = ±-1.44 0.3 C) D) 0.2 0.11 85.0% E) F) None of These .2 za/2 = ±-1.49
Suppose that P(A)0.5, P(B)0.2, P(C) 0.3, P(AnB) 0.1 and P(AnC) 0.1. Compute the following: (a) (2 points) P(AUB) b) (6 points) P(A UC) (c) (4 points) Are the events A and B independent? What about A and C? (d) (8 points) If the sets B and C are mutually exclusive sets, what is P(A U B U C)?
2. Using the below table: A A2 0.3 В В 0.4 0.2 0.1 08 a. Compute P(A; or B1). b. Compute P(A) or B2) c. Calculate the marginal probabilities from the following table of joint probabilities. d. Detemine P(A | B1). e. Determine P(A2 B1). f. Did your answers to parts (a) and (b) sum to 1? Is this a coincidence? Explain. g. Calculate P(A; | B2) h. Calculate P(A2| B1). i. Are the events independent? Explain. bivong slde glT8...
If P(A)= 0.3 , P (B)= 0.2, and P(A and B)= 0.1 , determine the following probabilities: (a) P( A' ) (b) P (A U B) (c) P(A' INTERSECT B) (d) P [ (A U B)' ] (e) P (A' U B)'
Random variable X has a distribution: P(x=0)=0.2 ; P(x=1)=0.3 ; P(x=2)=0.1 & P(x=3)=0.3 ; P(x=4)=0.1. Find: a) E(x) and Var(x) b) Find Fx(Xo) c) Find quantile of order 1/4 and median d) Find P(2<=x<=4)
Determine the area under the standard normal curve that lies to the right of (a) z =-0.44, (b) z = 0.96, (c) z= 1.91, and (d) z= 1.15
Using the following standard normal density curve, determine what is the probability thata random variable z less than 2.127 A) B) 0.98321 -0.32774 0.3 C) D) -1.6387 39.328 0.2 F) 0.1 E) 0.49160 1.3109 z-2.12 G) None of These
2. Let Z~ N(0,12) (distributed as a standard normal rv). Calculate the following probabilities, show your R code, and shade in the probability for plots that are missing it (do the shading by hand). a. P(0<Z<2.17)? Standard Normal 0.4 0.3 f(x0,1) 0.2 0.1 4TTT -3 -2 -1 0 1 2 3 b. P(-2.5 <Z <0)? Standard Normal 0.4 0.3 f(x:0,1) 0.2 0.1 0.0 LC - -3 -2 -1 0 1 2 C. P(-2.5 <Z< 2.5)? Standard Normal 0.4 0.3 f(x;0,1)...