Project #53431 - Probability

Question 1

A company manufacturing laptops believes that 5% of their computers are faulty. They take a sample of 30 computers. Showing your calculations, find the probability; 

a. Two of the laptops are faulty.

 b. More than two of the laptops are faulty.

 

Question 2

  In a multiple choice quiz, there are 6 questions. Each question has 5 possible answers. A student guesses at each question.

a.Find the probability that the student gets 4 answers correct.

 

b.Find the probability that the student passes (ie gets at least 50%)

 

 

c.What is the student's expected number of correct answers?

 

Subject Mathematics
Due By (Pacific Time) 01/11/2015 12:00 am
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