True or false: chance and series

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Probability is always a number between 0 and 1.

2. Statement is true

   No

   Statement

   Mutually exclusive events share at least one outcome.

3. Statement is true

   Yes

   Statement

   The probabilities in a probability model must sum to 1.

4. Statement is true

   No

   Statement

   An infinite geometric series converges when its ratio exceeds 1.

5. Statement is true

   Yes

   Statement

   The complement of an event E has probability 1 minus P(E).

6. Statement is true

   No

   Statement

   For any two events, P(E or F) equals P(E) plus P(F).

7. Statement is true

   Yes

   Statement

   A series with no real number sum is said to diverge.

Instructions

Tap true or false for each statement.

Explanation