Stat 200 Lab_08_b-1 - Name Section Email Lab Ch 8b 1 In...

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Unformatted text preview: Name: Section: Email: Lab Ch 8b 1. In each situation below, calculate the standardized score (or z-score) for the value x: a. Mean = 0, standard deviation = 1, value x = 1.5; z = __1.50_______ b. Mean = 10, standard deviation = 6, value x = 4; z = ___-1______ c. Mean = 10, standard deviation = 5, value x = 0; z = ____-2_____ d. Mean = -10, standard deviation = 15, value x = -25; z = ___1______ 2. For each value of z*, find the cumulative probability P(Z z*): a. z* = 0 P(0<.5) b. z* = -0.35 P(-.35<.36) c. z* = 0.35 P(.35<.630 d. z* = 1.96 P(1.96<.975) e. z* = -2.33 P(-2.33<.009) f. z* = 2.58 P(2.58<.99) g. z* = 1.65 P(1.65<.95) 3. Find the following probabilities for a standard normal random variable Z: a. P(Z -1.4) = 0 b. P(Z 1.4) = 1 c. P(-1.4 Z 1.4)=0 d. P(Z 1.4) =2 4. Find the following probabilities for a standard normal random variable Z: a. P(Z -3.72) =-1 b. P(-3.72 Z 3.72) =0 c. P(Z 15) =16 5. Find the following probabilities for X = pulse rates of women, for which the mean is 75 and the...
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This note was uploaded on 11/03/2011 for the course AGRICULTUR 21 taught by Professor Smear during the Spring '11 term at Central Texas College.

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Stat 200 Lab_08_b-1 - Name Section Email Lab Ch 8b 1 In...

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