[Answered] N = 132, x = 87; 90 level A) 0.590 to 0.728 B) 0.593 to 0.725 C) 0.595 to 0.723 D) 0.591 to ...

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Author Question: N = 132, x = 87; 90 level A) 0.590 to 0.728 B) 0.593 to 0.725 C) 0.595 to 0.723 D) 0.591 to ... (Read 45 times)

washai

Hero Member
Posts: 523

on: Jul 25, 2018

n = 132, x = 87; 90 level

A) 0.590 to 0.728 B) 0.593 to 0.725 C) 0.595 to 0.723 D) 0.591 to 0.727

Question 2

A quiz consists of 620 true or false questions. If the student guesses on each question, what is the standard deviation of the number of correct answers?

A) 0 B) 17.6068169 C) 2 D) 12.4498996

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scrocafella

Sr. Member
Posts: 346

Reply #1 on: Jul 25, 2018

Answer to Question 1

D

Answer to Question 2

D

washai

Hero Member
Posts: 523

Reply #2 on: Jul 25, 2018

Thank you!

scrocafella

Sr. Member
Posts: 346

Reply #3 on: Jul 25, 2018

Always glad to help...

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Author Question: N = 132, x = 87; 90 level A) 0.590 to 0.728 B) 0.593 to 0.725 C) 0.595 to 0.723 D) 0.591 to ... (Read 45 times)

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