Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
3.4k views
in Probability by (65.5k points)

(i) Find the probability that a student obtained less than 20% in the Mathematics test. 

(ii) Find the probability that a student obtained marks 60

1 Answer

+1 vote
by (65.2k points)
selected by
 
Best answer

(i) Number of students obtained less than 20% in the Mathematics test = 7 

n(A) = 7 

Total number of students = 90 

n(S) = 90

(ii) Number of students obtained marks 60 or above = 15 + 8 = 23 

∴ n(B) = 23 

Total Number of students = 90 

n(S) = 90

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...