A literature professor decides to give a 15-question true -false ...

[sdfghj]

A literature professor decides to give a 15-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) 9 B) 12 C) 10 D) 11

Question 2

We believe that 95 of the population of all Business Statistics students consider statistics to be
  an exciting subject. Suppose we randomly and independently selected 21 students from the
  population.
 
  If the true percentage is really 95, find the probability of observing 20 or more
  students who consider statistics to be an exciting subject. Round to six decimal places.
  A) 0.340562 B) 0.376410 C) 0.283028 D) 0.716972

[uniquea123]

Answer to Question 1

D

Answer to Question 2

D

[sdfghj]

TYSM

[parshano]

Gracias!