Find the average marks of students for the following data
Marks
No.of students
Question
Maths
May 3, 2018, 12:51 p.m.
Answer
A={x:x is a natural number and 1<x<6}
B={x:x is a natural number and 6<x10}
what is the total number of proper subsets of a set containing n elements?
Maths
May 2, 2018, 5:34 p.m.
Answer
In the ex 3.1
Why let the value of x any no.?
And why not choose any no. ?
In a shooting test probability of hitting the target is 1/2 for A,2/3 for B,3/4for C, .if all of them fire the target,find probability that at least one of them hit the target