For the standard normal distribution and variable z, find a. P(-1.5<z<1.5)
We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
Sketch the area under the standard normal curve over the indicated interval and find the specified area. (Round your answer to four decimal places.)The area betweenz = 1.39and z = 2.27 is .Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.)P(z ≤ −2.05)= Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.)P(z ≥ −1.54)=...
Let the random variable Z follow a standard normal distribution. Find P(-2.35 < Z< -0.65). Your Answer:
Question 17 Not yet answered Points out of 4.00 Flag question Let z be a random variable with a standard normal distribution. Find the indicated probability below P(z s 1.5) Select one: O a. 0.933 О b. 0.022 С. 0.967 o d. 0.067 e e. 0.033
Suppose that Z is the standard normal distribution. Find P(Z<-1.81). Suppose that Z is the standard normal distribution. Find P(Z>2). Suppose that Z is the standard normal distribution. Find P(-1.95<Z<1.07). Suppose that Z is the standard normal distribution. What value of Z represents the 20th percentile?
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)
Answer the following questions: The team A has a winning probability whenever it plays. If the team plays 4 games then find the probability that A wins: (i) Only two games. (ii) At least one game. (iii) More than half of the games. (iv) What is the expected value and the standard deviation of the number of winning? (II) If X is a random variable with a distribution function: (x2+4x+8). F(x) = {322 -CsxsC cis constant. otherwise then find the...
Question 3: Consider the Standard Normal Distribution with mean 0 and standard deviation 1. Find the following. a) P (z>0.5) b) P(z 1.5) c) P (-0.49 < z1.5) Question 4: If you have a normal distribution with mean 14 and standard deviation of 2. What is P(x >16)? Question 5 Professor Hardy assumes the exam scores are normally distributed and wants to grade "on a curve." The mean score was 68, with a standard deviation of 9, If he wants...
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...
Example 1. Assume that the random variable X follows the Normal distribution with mean 75 and standard deviation 10. Use Python to(a) Compute P(65 < X < 85) and interpret the findings(b) Compute P(55 < X < 95) and interpret the findings(c) Compute P(X > 100) and interpret the findingsExample 2. Assume that the random variable X follows the Normal distribution with mean µ and standard deviation σ. Compute (a) P(µ − σ < X < µ + σ) (b) P(µ −...
Let z be a random variable with a standard normal distribution. Find P(0 ≤ z ≤ 0.40), and shade the corresponding area under the standard normal curve. (Use 4 decimal places.)