Question

in a test the marks obtained by 15 pupils are 42,44,38,39,44,45,47,48,42,36,44,40,39,34 and 48.
@ find probability that a pupil chosen at random scored a mark which is
1. not a prime no
2.divisible by 11

3. less than 44
4. divisible by 3
(b) the pass mark of the test was 41.
1. find probability that a pupil chosen at random passed the test.
2. a pupil was chosen at random from those who failed. find probability that a pupils mark was 39​
will mark brainliest if answered

Answer 1

Step-by-step explanation:

1. 3/15 = 1/3
2. 3/15 = 1/3
3. 8/15
4. 7/15

b) 1. 9/15=3/5

2. 2/15