Chapter 12.7, Problem 3P

To determine

To find: The number of odds against the spinner landing on the number less than 3.

Answer to Problem 3P

The number of odds against the spinner landing is $3:1$ .

Explanation of Solution

Consider the formula for the probability of the event is of the form,

  $P=\frac{\text{number}\text{of}\text{favorable}\text{outcomes}}{\text{number}\text{of}\text{possible}\text{outcomes}}$

Consider the favourable outcomes 1, 2 and the unfavourable outcomes is 3, 4, 5, 6, 7, 5.

Then, the number of odds against the spinner landing is,

  $\frac{6}{2}=3:1$