If Z is a standard normal random variable, then find:
a. P(Z ≤ z), where z= 1.24
b. P(a ≤ Z ≤b), where a= 0.55 and b=1.33
c. find P(Z ≥ z), where z= 0.38
d. A value for z for which P(Z > z) = 0.8264
If Z is a standard normal random variable, then find: a. P(Z ≤ z), where z=...
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.)
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 =
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 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 be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) P(−1.24 ≤ z ≤ 2.64) = Shade the corresponding area under the standard normal curve.
Assume z is a standard normal random variable. Compute the following probabilities.a. P(–1.33 ≤ z ≤ 1.67)b. P(1.23 ≤ z ≤ 1.55)c. P(z ≥ 2.32)d. P(z ≥ –2.08) e. P(z ≥ –1.08)
(1 point) Find the following probabilities for the standard normal random variable z. (a) P(-0.81 <<0.42) (b) P(-1.14 <z < 0.5) (c) P(Z < 0.69) a (d) P(Z > -0.6)
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 Z be a standard normal random variable. Use the calculator provided, or this table, to determine the value of c. P(-csz<c)=0.9426 Carry your intermediate computations to at least four decimal places. Round your answer to two decimal places. x 3 ? Let Z be a standard normal random variable. Use the calculator provided, or this table, to determine the value of c. P(0.55 <<c) -0.2624 Carry your intermediate computations to at least four decimal places. Round your answer to...