Suppose Z has standard normal distribution. What is P(Z < -0.44)?
A.) 0.33
B.) -0.15
C.) 0.67
D.) 0.3446
Suppose Z has standard normal distribution. What is P(Z < -0.44)? A.) 0.33 B.) -0.15 C.)...
Suppose that a random variable ?z has a standard normal distribution. Use a standard normal table such as this one to determine the probability that ?z is between −0.67 and 0.33. Give your answer in decimal form, precise to at least three decimal places. ?(−0.67<?<0.33)=P(−0.67<z<0.33)=
Suppose Z has a standard normal distribution with µ = 0 and σ = 1. Find z0 such that P(Z < z0) = 0.67 a. z0 = 0.17 b. z0 = 0.2486 c. z0 = 0.44 d. z0 = 0.95
Using the Standard Normal Table. What is the probability a z-score is greater than 0.44? In other words, what is P(z > 0.44)? A. 0.6554 B. 0.3446 C. 0.3300 D. 0.6700
What percentage of z-scores in the standard normal distribution are between z = -0.33 and z = 0.33? a. 25.86% b. 37.07% c. 12.93% d. 50.00%
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...
Find the following probabilities based on standard normal variable Z. Use Table 1. a. P(-0.88<Z<-0.33) b. P(0.03<Z<2.32) c. P(-1.60<Z<0.15) d. P(Z>3.1)
Suppose that Z is the standard normal distribution. Find P(Z<-1.81). Suppose that Z is the standard normal distribution. Find P(Z>2). Suppose that Z is the standard normal distribution. Find P(-1.95<Z<1.07). Suppose that Z is the standard normal distribution. What value of Z represents the 20th percentile?
Z follows a standard normal distribution, What is the probability of getting P ( Z > 0.15 ) ? Enter your answer to 4 decimal places
Suppose Z and X are continuous random variables such that Z has a standard normal distribution and X = 5% + 10. a. Compute P(7 < X < 17). [6] b. What are the expected value E(X) and variance V(X) of X? [6] c. What kind of distribution does X have? [3]
Standard Normal distribution.
With regards to a standard normal distribution complete the following: (a) Find P(Z > 0), the proportion of the standard normal distribution above the z-score of 0. (b) Find P(Z <-0.75), the proportion of the standard normal distribution below the Z-score of -0.75 (c) Find P(-1.15<z <2.04). (d) Find P(Z > -1.25). (e) Find the Z-score corresponding to Pso, the 90th percentile value.