Is the probability that Patty will answer all of the questions on her chemistry exam correctly greater than 50%?
(1) For each question on the chemistry exam, Patty has a 90% chance of answering the question correctly.
(2) There are fewer than 10 questions on Patty's chemistry exam.
Answer: E
Source: Manhattan GMAT
Is the probability that Patty will answer all of the questions on her chemistry exam correctly greater than 50%?
This topic has expert replies
-
- Legendary Member
- Posts: 1622
- Joined: Thu Mar 01, 2018 7:22 am
- Followed by:2 members
Timer
00:00
Your Answer
A
B
C
D
E
Global Stats