Homework Clinic
Mathematics Clinic => Grade 11 and 12 Mathematics => Topic started by: dalyningkenk on Jul 24, 2018
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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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Answer to Question 1
A
Answer to Question 2
A