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In: Statistics and Probability

Question 3 options: | | Let Z denote a standard normal random variable. Find the probability...

Question 3 options:

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Let Z denote a standard normal random variable. Find the probability P(Z < 0.81)? The area to the LEFT of 0.81?

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Enter in format X.XX rounding UP so one-half (1/2) is 0.50 and two-thirds (2/3) is 0.67 with rounding. Enter -1.376 as -1.38 with rounding. NOTE: DO NOT ENTER A PERCENTAGE (%).

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Let Z denote a standard normal random variable. Find the probability P(Z > -1.29)? The area to the RIGHT of -1.29?

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Enter in format X.XX rounding UP so one-half (1/2) is 0.50 and two-thirds (2/3) is 0.67 with rounding. Enter -1.376 as -1.38 with rounding.  NOTE: DO NOT ENTER A PERCENTAGE (%).

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Let Z denote a standard normal random variable. Find the probability P(-1.70<Z<1.26)? The area BETWEEN -1.70 and 1.26?

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Enter in format X.XX rounding UP so one-half (1/2) is 0.50 and two-thirds (2/3) is 0.67 with rounding. Enter -1.376 as -1.38 with rounding. NOTE: DO NOT ENTER A PERCENTAGE (%).

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Let Z denote a standard normal random variable. Find the z-score for the 20th percentile?

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Enter in format X.XX rounding UP so one-half (1/2) is 0.50 and two-thirds (2/3) is 0.67 with rounding. Enter -1.376 as -1.38 with rounding.  NOTE: DO NOT ENTER A PERCENTAGE (%).

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Let Z denote a standard normal random variable. Find the z-score for with the area to the RIGHT equal to 0.32?

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Expert Solution

orchestra answered 1 year ago
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