# Questions & Answers

JUMP TO TOPIC

- Find the curvature of r(t) = 7t, t2, t3 at the point (7, 1, 1).
- If xy + 3ey = 3e, find the value of y” at the point where x = 0.
- Consider a binomial experiment with n=20 and p=0.70.
- The missing number in the series 9, ? , 6561, 43046721 is: 81, 25, 62, 31, 18.
- Can two events with nonzero probabilities be both independent and mutually exclusive?