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Author Question: Find the standard z-score such that 80 of the distribution is to the left of this ... (Read 20 times)

beccaep

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on: Jul 24, 2018
Find the standard z-score such that 80 of the distribution is to the left of this value.

Question 2

Find the area under the standard normal curve between z = 0.25 and z = 2.75.


shaikhs

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Reply #1 on: Jul 24, 2018
Answer to Question 1

z = 0.84

Answer to Question 2

P(0.25 < z < 2.75) = 0.4970  0.0897 = 0.4073


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beccaep

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Reply #2 on: Jul 24, 2018
Both answers were spot on, thank you once again


shaikhs

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Reply #3 on: Jul 24, 2018
Great! Please up vote :D


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