Use the z-table to determine the following probabilities. Sketch a normal curve for each problem with the appropriate probability area shaded. 1. P(z>2.34) 2. P(z<-1.56) 3. P(z= 1.23) 4.P(-1.82
Use the z-table to determine the following probabilities. Sketch a normal curve for each problem with...
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)=
Use the Normal Table. Use Table A to find the proportion of observations from a standard Normal distribution that satisfies each of the following statements. In each case, sketch a standard Normal curve and shade the area under the curve that is the answer to the question. a) z < −0.32 b) z > −1.56 c) z < 2.04 d) − 0.32 < z < 2.04
Use a z- table to obtain the shaded area under the standard normal curve. - W Los Shaded area is between z = -1.08 and 2-1.08.
Question 5 Use Appendix Table Ш to determine to 5 decimal places the following probabilities for the standard normal random variable Z: (a) P(Z< 1.29) = (b) P(Z < 2.8) = (c) PlZ > 1.45) = (a) PIZ> 2.15) (e) P(-2.34 < Z < 1.76) =
Determine the following standard normal (z) curve areas. (Use a table or technology. Round your answers to four decimal places.) (a) the area under the z curve to the left of 1.74 (b) the area under the z curve to the left of -0.67 (c) the area under the z curve to the right of 1.10 (d) the area under the z curve to the right of -2.81 (e) the area under the z curve between -2.22 and 0.53 (f)...
a) Find the value of the probability of the standard normal variable Z corresponding to the shaded area under the standard normal curve. (Round your answer to four decimal places. You may need to use the appropriate table in the Appendix of Tables to answer this question.) P(Z > 1.07) = b) Find the value of the probability of the standard normal variable Z corresponding to the shaded area under the standard normal curve. (Round your answer to four decimal...
5) Find the area under the standard normal curve that corresponds to the following Z values, Use the given bell-shaped curves, identify, and shade the appropriate region: (2 points ea.) a) p(0 <z < 0.92) b) p(z < -1.23) c)p(-2.07 <z< 1.88)
1. Given that z is a standard normal random variable, compute the following probabilities. a. P(Z < 1.38) b. P(z 2 1.32) c. P(-1.23 Sz5 1.23)
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.
Determine the area under the standard normal curve that lies to the left of (a) Z= 1.23. (b) Z =-1.68, (c)2=-0.69, and (d) Z= 0.59 (a) The area to the left of Z = 1.23 is _______