The games (b) Out of 200 students in an examination of class IX. 140 passed in Maths, 120 passed in Science and
40 failed in both subjects. Find the number of students who passed in both by using a Venn diagram

Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?

The value of x must be greater than what?

What is the inverse of the function fx = 2x-10