Question: Question 1 The probability that the standard normally distributed variable is between 1.011 and 2.8 is approximately equal to Question 2 Math 132 final exam

Question 1

The probability that the standard normally distributed variable is between

1.011 and 2.8 is approximately equal to

Question 2

Math 132 final exam grade is normally distributed with mean 68 and standard deviation 23.

Final exam score above 92 corresponds to an A.

Approximately what percent of the class got an A?

Question 3 The mean of the data set 11,15,27,46, 58, 6, 2 is

Question 4

A bag contains two orange and six black balls. You take two balls from the bag,

one by one, with replacement.

What is the probability that you will get two orange balls?

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