The table below displays data on the composition and perform

The table below displays data on the composition and performance of the Massachusetts Bubble Growth (MBG) technology stock fund over the last year. The table includes data on the distribution of stocks in the fund by technology sector (information technology (IT) or biotechnology) and by last year\'s \"performance\" (positive or negative net change in share price over the last year).

What is the probability that a randomly-chosen MBG stock is a biotech stock?

A) 30% B) 23% C) 7% D) None of the above.

Solution

To get it, we need to add the Biotech column to get its total,

P(biotech) = 23% + 7% = 30% [ANSWER, OPTION A]