Find the following probabilities for the standard normal random variable z:
Find the following probabilities based on the standard normal variable Z (Round your answers to 4 decimal places.) a. P(Z> 1.04) b. P(Zs -1.74) c. P(O s Z s 1.81) d. P(-0.81 s Zs 2.66)
Let Z be a standard normal random variable and calculate the following probabilities, drawing pictures whenever appropriate. (Do this on paper. Your instructor may ask you to turn in this work.) (a) P(0 Z 2.74) (b) P(0 Z 1) (c) P(-2.40 Z 0) (d) P(-2.40 Z +2.40) (e) P(Z 1.63) (f) P(-1.74 Z) (g) P(-1.4 Z 2.00) (h) P(1.63 Z 2.50) (i) P(1.4 Z) (j) P( |Z| 2.50) Let Z be a standard normal random variable and calculate the following...
Given that z is a standard normal random variable, compute the following probabilities (to 4 decimals). P(-1.93 ≤ z ≤ 0.44) P(0.59 ≤ z ≤ 1.27) P(-1.74 ≤ z ≤ -1.05)
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
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...
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)
Find these probabilities for a standard normal random variable Z. Be sure to draw a picture to check your calculations. Use the normal table or software, (a) P(Z < 1.2) (d) P(Z >0.4) (b) P(Z > -1) (e) P(-1SZs1.2) (c) P(|<1.5)
Find the following probabilities for the standard normal random variable Z: (Give answers to four decimal places.) a) P(Z ≤ 2.1) b) P(Z ≥ 2.1) c) P(Z ≥ -1.65) d) P(-2.13 ≤ Z ≤ -.41) e) P(-1.45≤ Z ≤ 2.15) f) P(Z ≤ -1.43)
Find the following probabilities for a standard normal variable, Z 1) P(Z<-1.27) 2) P(-2.03<Z<3.49) 3) P(Z>1.74) 4)P(Z<0.17) B. Find z if we know that the area to the left of z (under the normal curve) is 0.9265.
(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)