Let the random variable Z follow a standard normal distribution, and let Z1 be a possible...

Let the random variable Z follow a standard normal distribution, and let Z1 be a possible value of Z that is representing the 90th percentile of the standard normal distribution. Find the value of Z1.

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orchestra answered 1 year 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

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.)

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 denote a random variable with a standard normal distribution. Evaluate: Pr {-0.42 < Z...

Let Z denote a random variable with a standard normal distribution. Evaluate: Pr {-0.42 < Z < 1.67} 0.3212 0.3372 0.3401 0.6153 0.9525

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...

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)

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Let the random variable Z follow a standard normal distribution, and let Z1 be a possible...

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