You Estimate That the Chance of New Product Being Successful

Multiple Choice

You estimate that the chance of new product being successful is 0.8 - a marketing analyst (who is correct 65% of the time) gives a favourable opinion of your product. What should you revise your estimation of success to (as a percentage, 0 decimal places) ?

A) 82%
B) 84%
C) 86%
D) 88%