In an experiment, the probability that event A occurs is 0.2 and the probability that event B occurs is 0.5. If A and B are independent events, which statement is true?
A.
B.
P(A and B) = 0.1
P(A or B) = 0.1
P(A and B) = 0.7
P(A or B) = 0.7
C.
D.

Step-by-step explanation:

P(A and B) = 0.1

it would take 7/10 of an hour too fill the pool.

step-by-step explanation:

0.02

step-by-step explanation:

time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)