Posted by **AmmanJordan** on Saturday, April 20, 2013 at 10:22am.

To get an A grade on the test, you need a total score of more than 16 points. One of the students knows the correct answer to 6 of the 20 questions. The rest she guesses at random by tossing a coin (one toss per question, as in 4B). What is the chance that she gets an A grade on the test?

- science -
**Gur**, Sunday, April 21, 2013 at 5:09am
Please help!

## Answer This Question

## Related Questions

- statistics - To get an A grade on the test, you need a total score of more than ...
- Statistic - To get an A grade on the test, you need a total score of more than ...
- maths - To get an A grade on the test, you need a total score of more than 16 ...
- elem alg - On a certain test, the student gets 3 points for each correct answer ...
- Math - On a true-false test, each question has exactly one correct answer: true...
- Finite - Assume that the test has 5 true/false questions, and 10 multiple choice...
- Algebra - you are about to take a test that contain questions of type A worth 4 ...
- math,correction - can someone correct this for me please. Statistics. Sam must ...
- math correction - can someone correct this for me.or teach me if i'm wrong ...
- math help - I need help solving this math problem, please: Problem: Angela's ...

More Related Questions