3. Using the norm.s.dist() command, for the standard normal random variable z find the following: (a)...
4. Using the norm.s.inv() command, for the standard normal random variable z find b such that: (a) P(z<b)=0.05, (b) P(z<b)=0.025, (c) P(z-b)-0.005, b= b= b-
Copy of If Z is a standard normal random variable, find P(-1.7 <Z < 2.6). 0.4217 0.9507 -0.9508 0.9953 0.0446
Suppose Z is a standard normal random variable. (See problem.) If P(-z<z<z) 0.796, find Question 1 Find P(-2.46 <Z<-0.98) Question 2
Find the following probability for a standard normal random variable, P(Z < 1.73). 1).9582 O2).0418 O3).1354 4) 9107
(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 the random variable Z follow a standard normal distribution. Find P(-2.35 < Z< -0.65). Your Answer:
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)
(1 point) Find the value of the standard normal random variable z, called Zo such that: (a) P(Z <zo) = 0.8319 20 (b) PC-Zo <z<zo) = 0.5508 20 = (c) P(-20 <2<zo) = 0.748 zo = (d) P(z > Zo) = 0.2823 20 = (e) P(-20 <z<0) = 0.0283 Zo = (1) P(-1.5 <2<zo) = 0.7108 zo Note: You can earn partial credit on this problem.
5. Let Z be a standard normal random variable. Use the table on page 848 of the textbook to evaluate the following. (a) P(Z < 0.04) (b) P (0.09 < 20 S 0.81) (c) P(Z <1.3) (d) P(-2 <7 <1) (e) P(Z -0.1) (Z -0.2) (Z -0.3) (Z-0.4) > 0)
Let Z be a standard normal random variable. Use the calculator provided, or this table, to determine the value of c. P(Z<c) = 0.8790 Carry your intermediate computations to at least four decimal places. Round your answer to two decimal places. . Х 5 ?