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if z is a standard normal variable find the probability that (p(-0.73) < z <2.27 If z is a standard normal variable find the probability that p(z < 2.01)
Z is the standard normal variable find P(-3.50<z<1.000)
A) 0.7995 11. If Z is a standard normal variable find the probabilities of a) P(Z <-0.35)- @w B) 0.3982 C) 1.2008 D) p.4013 (2 points) b) P(0.25s Z<1.55) (3 points) c) P(Z > 1.55) (2 points) 12. Assume that X has a normal distribution with mean deviation .5. Find the following probabilities: 15 and the standard a) P(X < 13.50)- 3 points). b) P (13.25 <X < 16.50)- (5 points). B) 0 2706 C0 5412 D) 1.0824 A mountuin...
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...
Let Z be the standard normal variable. Find a constant z, z > 0, such that P(|Z| < z) = 0.98
1) Let Z be the standard normal variable. Find the values of z if z satisfies the given probabilities. (Round your answers to two decimal places.) (a) P(Z > z) = 0.9706 z = ? P(−z < Z < z) = 0.8164 z = ? 2) Suppose X is a normal random variable with μ = 350 and σ = 20. Find the values of the following probabilities. (Round your answers to four decimal places.) (a) P(X < 405) = (b) P(370...
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
Let Z be a standard normal variable. Find the value of z if z satisfies P(Z < z) = 0.0119. ) b) c) d) e)
Let Z be the standard normal variable. Find the values of z if z satisfies the given probabilities. (Round your answer 2 decimal places) A: P(Z > z) = .9484 z = ? B: P(-z < Z < z)= .8294 z = ?
Find the following probability if z is a standard normal variable: P(z>1.62).