Question

A new pain reliever is advertised as being 97%

Answer 1

Answer:

B. 0.694

Step-by-step explanation:

Hope this helps

Answer 2

Answer:

B. 0.694

Step-by-step explanation:

Probability is the ratio of the number of possible outcome to the number of total outcome.

Given that the pain reliever is advertised as being 97%  effective, for it to be effective in 12 independent trials

= (97%) ^ 12

= 0.693842361

The is approximately 0.694 to 3 decimal places