Statistics, Data Analysis and Probability K11A team of three children, Anna, Bill and Cindy, independently answers true-or-false questions.
Anna answers 90% of the questions correctly.
Bill and Cindy answer 50% of the questions correctly.
The answer is accepted as the team's response when the children give the same answer.
If their answers are different, then the result is ignored.

What is the probability that a team response is correct?