A literature professor decides to give a 10-question true-false ...

[cabate]

A literature professor decides to give a 10-question true-false quiz. She wants to choose the passing grade such that the probability of passing a student who guesses on every question is less than .10.
 
  What score should be set as the lowest passing grade?
  A) 8 B) 7 C) 9 D) 6

Question 2

One year, the distribution of salaries for professional sports players had mean 1.6 million and standard deviation 0.8 million. Suppose a sample of 400 major league players was taken.
 
  Find the approximate probability that the average salary of the 400 players that year exceeded 1.1 million.
  A) .7357 B) approximately 0 C) .2357 D) approximately 1

[Koolkid240]

Answer to Question 1

A

Answer to Question 2

D

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TY

[Koolkid240]

You're welcome