1003041704

SubArea: 
Probability
Level: 
B
Project ID: 
1003041704
Source Problem: 
2010015502
Accepted: 
1
Clonable: 
1
Easy: 
0
A set of Christmas tree lights contains 12 identical bulbs connected in parallel. Each of the bulbs has the reliability of 98%. What is the probability (expressed as a percentage) that all of the bulbs will glow? Round the result to one decimal place. (Note: Reliability is the probability that the system will perform its intended function.)
78.5%
98.0%
78.4%
97.5%