a. P ( 0 < Z < 1 ) = ?
b. P ( -1< Z < 1) = ?
c. P (-.31 < Z 1.31) = ?
d. P (Z > 1.26) = ?
e. P (Z < 1.26 = ?
For a standard normal distribution, determine the following probabilities. a) P(z>1.41) b) P(z>−0.31) c) P(−1.81≤z≤−0.69) d) P(−1.80≤z≤0.20)
(1 point) Compute the following probabilities for the standard normal distribution Z. A P(0 < Z < 2.4) B. P(-1.85 <Z < 0.55) = c. P(Z > -1.95)
9. Compute the following probabilities using your calculator. Assume Z is a standard normal random variable. Round all answers to three decimal places. A. P(0<Z<2.3)P(0<Z<2.3)= B. P(−1.7<Z<0.15)P(−1.7<Z<0.15)= C. P(Z>−1.2)P(Z>−1.2)= 10. Find the following probabilities for the standard normal random variable zz: Round answers to three decimal places. (a) P(z≤1.31)=P(z≤1.31)= (b) P(z>−0.25)=P(z>−0.25)=
Use the z-table to find the following probabilities. A.) P( z<-1) B.) P(z is greater than or equal to 2.25) C.) P(-1<z<2.25)
Compute the following probabilities assuming a standard normal distribution. a) P(Z < 1.4) b) P(Z < 1.12) c) P(-0.89 <z< 1.35) d) P(O<z<2.42)
1. Use Appendix Table III to determine the following probabilities for the standard normal variable Z. a) P(-0.7<Z< 0.7) b) P(-1.5<Z<1.5) c) P(-2.0<Z<2.0) d) P(Z>2.0)=
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...
(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)
4.28 If Z ~ N(0,1), find the following probabilities: a. P(Z <1.38) b. P(Z > 2.14) c. P(-1.27 <Z<-0.48)
4. IfP(A) 0.3, P(B) 0.2, and P(An B) 0., determine the following probabilities: (b) P(AU B) (c) P(A'n B) (d) P(An B') (e) P[(A U B)] (f) P(A'U B) 5. The following table summarizes the analysis of samples of galvanized steel for coating weight and surface roughness: Coating Weight High High Low Low 16 34 Surface 12 Roughness If the coating weight of a sample is high, what is the probability that the surface roughness is high? If the surface...