Let z be a random variable with a standard normal distribution. Find P(0 ≤ z ≤...

Let z be a random variable with a standard normal distribution. Find P(0 ≤ z ≤ 0.46), and shade the corresponding area under the standard normal curve. (Use 4 decimal places.)

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Above table is for area under probability i use to calculate probability

orchestra answered 2 years ago

Let z be a random variable with a standard normal distribution. Find “a” such that P(|Z|...

Let z be a random variable with a standard normal distribution. Find “a” such that P(|Z| <A)= 0.95 This is what I have: P(-A<Z<A) = 0.95 -A = -1.96 How do I use the symmetric property of normal distribution to make A = 1.96? My answer at the moment is P(|z|< (-1.96) = 0.95

a) Let z be a random variable with a standard normal distribution. Find the indicated probability....

a) Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) P(−2.02 ≤ z ≤ −0.31) = Shade the corresponding area under the standard normal curve. b) Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.) μ = 50; σ = 15 P(40 ≤ x ≤ 47) = c) Find z such...

A: Let z be a random variable with a standard normal distribution. Find the indicated probability....

A: Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) P(z ≤ 1.23) = B: Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) P(z ≥ −1.13) = C: Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) P(−1.87 ≤ z...

1. a.) Let z be a random variable with a standard normal distribution. Find the indicated...

1. a.) Let z be a random variable with a standard normal distribution. Find the indicated probability. (Enter your answer to four decimal places.) P(−2.20 ≤ z ≤ 1.01) = b.) Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) P(−1.76 ≤ z ≤ −1.17) = c.) Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to...

Let z be a standard normal random variable with a mean of 0 and a standard...

Let z be a standard normal random variable with a mean of 0 and a standard devi- ation of 1. Find the following probabilities: (a) P(−0.5<z<0.5) (b) P(−.5<z<1.5) (c) P(−1.5<z<−.75) (d) P(2<z<3)

Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round...

Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) P(−0.84 ≤ z ≤ 0) = Shade the corresponding area under the standard normal curve.

Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round...

Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) P(z ≥ −1.12) = Shade the corresponding area under the standard normal curve.

1. Let z be a random variable with a standard normal distribution. Find the indicated probability....

1. Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) P(−2.13 ≤ z ≤ −0.35) = 2. Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.) μ = 14.6; σ = 3.9 P(10 ≤ x ≤ 26) = 3. A person's blood glucose level and diabetes are closely related. Let x...

QUESTION 1 If Z is a standard normal random variable, then P(Z > 0) = 0...

QUESTION 1 If Z is a standard normal random variable, then P(Z > 0) = 0 1 0.4579 0.5 1 points QUESTION 2 Company A claims that 20% of people in Sydney prefer its product (Brand A). Company B disputes the 20% but has no idea whether a higher or lower proportion is appropriate. Company B randomly samples 400 people and 88 of them prefer Company A's product (Brand A). Assuming a 5% significance level, which one of the following...

Let z denote a random variable having a normal distribution with ? = 0 and ?...

Let z denote a random variable having a normal distribution with ? = 0 and ? = 1. Determine each of the probabilities below. (Round all answers to four decimal places.) (a) P(z < 0.3) = (b) P(z < -0.3) = (c) P(0.40 < z < 0.85) = (d) P(-0.85 < z < -0.40) = (e) P(-0.40 < z < 0.85) = (f) P(z > -1.26) = (g) P(z < -1.5 or z > 2.50) =

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Let z be a random variable with a standard normal distribution. Find P(0 ≤ z ≤...

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