Count the outcomes and key them in

Exercise and reference answers

Questions

1. Answer

   36

   Question

   Two dice are thrown and the sum is noted. How many sample points does the sample space hold?

2. Answer

   4

   Question

   A coin is tossed twice. How many simple events does that sample space hold?

3. Answer

   24

   Question

   Veena visits four cities in a random order. How many orders are possible?

4. Answer

   0.13

   Question

   P(E) = 0.05, P(F) = 0.10 and P(E and F) = 0.02. Find P(E or F).

Instructions

Work out each answer, then tap the digits on the pad and submit.

Explanation