Question

in a class of 26 students 15 of them like math , 13 like english and 9 dont like english or math find the probability that a student chosen at random likes english but not math

Answer 1

Answer:

50- 16 = 3450−16=34

1)So 34 students like either Math or Science or no subject.

Since 16 students like both, 30 students like math and

30 - 16 = 1430−16=14

14 student like only math and same way

25 - 16 = 925−16=9

9 students like only science.

2)Number of students who like neither science nor math = total number of students - The number of students that like atleast one subject

50 - 16 - 9 - 14 = 150−16−9−14=1

So only 1 students like neither math nor science.

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Answer 2

Answer:

2/26

Step-by-step explanation:

15 - x + x + 13 - x + 9 = 26

-x + 37 = 26

-x = -11

x = 11

Number of student that offer english but not math = 13 - 11

= 2

The probability of english but not math = 2/26