Let z be a random variable having a standard normal distribution. Determine P left parenthesis minus 1.56 less than x less or equal than 1.56 right parenthesis.
=0.9406-0.0594................................by using normal probability table.
=0.8812
Let z be a random variable having a standard normal distribution. Determine P left parenthesis minus...
Suppose T and Z are random variables. a. If Upper P left parenthesis Upper T greater than 2.57 right parenthesisequals0.04 and Upper P left parenthesis Upper T less than minus 2.57 right parenthesisequals0.04, obtain Upper P left parenthesis negative 2.57 less than or equals Upper T less than or equals 2.57 right parenthesis. b. If Upper P left parenthesis negative 0.36 less than or equals Upper Z less than or equals 0.36 right parenthesisequals0.28 and also Upper P left parenthesis...
Let Z be a standard normal random variable. Calculate the following; P(Z is less than or equal to c)= 0.7939
The random variable Z denotes a standard normal random variable, Upper Z tilde Upper N left parenthesis 0 comma 1 right parenthesis. What is the standard deviation of Z?
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Let the random variable Z follow a standard normal distribution. Find P(-2.35 < Z< -0.65). Your Answer:
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Let z denote a random variable having a normal distribution with μ = 0 and σ = 1. Determine each of the following probabilities. (Round your answers to four decimal places.) (a) P(z < 0.20) = (b) P(z < −0.20) = (c) P(0.30 < z < 0.86) =
Let z be a random variable with a standard normal distribution. Calculate the indicated probability P(−1.15≤ z ≤1.55)P(−1.15≤ z ≤1.55).
Let Z be a standard normal random variable. Determine the value z such that P(Z > z) = a0.1003. b -1.04 c-0.65 d 0.75 c 1.28
Let z be a random variable with a standard normal distribution. Find the indicated probability. (Round your answer to four decimal places.) P(z ≤ −1.94) = [x].