Jane obtained a score of 20 on the financial risk-taking scale. there is a 99% chance that her true score is between:
a.
6.3 - 33.7
b.
15.4 - 24.6
c.
11.1 - 28.9
d.
8.2 - 31.8

Abox contains 40 number tiles numbered 1 to 40. if a tile is drawn at random, what is the probability that the number drawn is a multiple of 3 or 4? find p(multiple of 4 or multiple of 5)