Yokka Stars

Solution of problem N3400 probability theory

Solution of problem N3400 probability theory

Seller: Massimo86

Price: 0.30 USD

Available. The final price depends on the selected options and is checked before payment.

Product description

  • A student knows 25 questions out of 35. He was asked three questions at random. What is the probability that:

a) the student will answer all three questions;

b) at least two questions?

Additional information

Detailed solution. Decorated in Microsoft Word 2003 (Quest decided to use the formula editor)