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Author Question: A quiz consists of 920 true or false questions. If the student guesses on each question, what is the ... (Read 90 times)

dalyningkenk

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on: Jul 24, 2018
A quiz consists of 920 true or false questions. If the student guesses on each question, what is the mean number of correct answers?
 
  A) 460 B) 0 C) 920 D) 184

Question 2

Suppose a brewery has a filling machine that fills 12 ounce bottles of beer. It is known that the amount of beer poured by this filling machine follows a normal distribution with a mean of 12.29 ounces and a standard deviation of 0.04 ounce.
 
  Find the probability that the bottle contains between 12.19 and 12.25 ounces. A) 0.1525 B) 0.8351 C) 0.1649 D) 0.8475


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Joc

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

A

Answer to Question 2

A


dalyningkenk

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Reply 2 on: Jul 24, 2018
Gracias!

xiaomengxian

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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