The tree diagram represents an experiment consisting of two trials. P(D)=? Please help!!!

Question

asked Sep 18, 2021 62.3k views

2 Answers

Himanshu Vaghela · Answer 1 · 2021-09-21T10:15:35+0000

Answer:

P(D) = 0.65

Explanation:

Follow the segments that lead to D.

First, it's 0.5 to A and then 0.6 to D.

Then, it's 0.5 to B and 0.7 to D.

P(D) = 0.5 * 0.6 + 0.5 * 0.7 = 0.3 + 0.35 = 0.65

P(D) = 0.65