[Answered] Assume the standard normal curve and determine the probability or area between z = -1.28 and z = ...

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RODY.ELKHALIL

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Posts: 591

on: Jun 24, 2018

Assume the standard normal curve and determine the probability or area between z = -1.28 and z = 1.28.

Question 2

In a production of 1000 plastic moldings, 75 were incompletely formed and had to be discarded. Based on these data the total production of plastic moldings should have what estimated proportion of incompletely formed moldings?

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patma1981

Sr. Member
Posts: 292

Reply #1 on: Jun 24, 2018

Answer to Question 1

0.7994

Answer to Question 2

0.075

RODY.ELKHALIL

Hero Member
Posts: 591

Reply #2 on: Jun 24, 2018

Thank you

patma1981

Sr. Member
Posts: 292

Reply #3 on: Jun 24, 2018

Happy to help you

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Author Question: Assume the standard normal curve and determine the probability or area between z = -1.28 and z = ... (Read 63 times)

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