1. Let Z be the standard normal random variable. Find
(a) P(Z > −1.78) =
(b) P(−.60 < Z < 1.25) =
(c) z.005 =
(d) z.025 =
1. Let Z be the standard normal random variable. Find (a) P(Z > −1.78) = (b)...
Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) P(z ≤ −0.11) = P(z ≥ 1.25) = P(−1.17 ≤ z ≤ 2.44) = P(0 ≤ z ≤ 1.65) =
Let z be a random variable with a standard normal distribution. Find P(0 ≤ z ≤ 0.40), and shade the corresponding area under the standard normal curve. (Use 4 decimal places.)
Let Z be a standard normal random variable. Determine the value z such that P(Z > z) = a0.1003. b -1.04 c-0.65 d 0.75 c 1.28
Let the random variable Z follow a standard normal distribution. Find P(-2.35 < Z< -0.65). Your Answer:
Assume that Z represents a standard normal random variable. (a) Find P(Z < 1.38) (b) Find P(Z > 2.02) (c) Find P(Z < -1.8) (d) Find P(0.42 < Z < 1.39) (e) Find c, so that P(Z < c) = 0.90
IS Find the following probability for the standard normal random variable z. a. P(z<-1.02) b. P(z <2.03) c. P(0.68 szs2.03) d. P(-2.66szs1.56) a. P(z -1.02)(Round to four decimal places as needed.) b. Pize 2.03)=[] (Round to four decimal places as needed.) ook c. P(0.68 szs2.03) (Round to four decimal places as needed.) d.P(-2.66 s zs 1.56) = [□ (Round to four decimal places as needed.)
Find the probability of the standard normal random variable Z. P(Z < 1.49) A) 0.9319 B) 0.0681 C) 0.6879 D) 0.3121
Let Z denote the standard normal random variable. If P(0 < Z < b) = 0.437, what is the value of b?
Let Z denote the standard normal random variable. If P(0 < Z < b) = 0.437, what is the value of b?
Let the random variable Z follow a standard normal distribution. What is P(Z > -0.21)? A) 0.4207 B) 0.4168 C) 0.5793 D) 0.5832