Which index fund would be the best for the day trader to invest in?
A) Q index fund
B) W index fund
C) X index fund
D) Z index fund
Question 2
It is assumed that the time failures for an electronic component are exponentially distributed with a mean of 50 hours between consecutive failures. What is the probability that a component will be functioning after 60 hours?
A) Approximately 0.30
B) About 0.70
C) About 0.21
D) About 0.49