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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