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).

Regarding the stocks that made up the MBG fund last year, which of the following statements is true?

E) Technology sector and performance are statistically independent.

F) The fact that a given stock's performance was positive tells us nothing about its sector.

G) The fact that a given stock is from the biotech sector tells us nothing about its performance.

H) None of the above.

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.

 

Massachussets Bubble Growth Stocks Biotech 23% 7% Performance\Sector Positive Negative IT 17% 53%