dumb boy

This page lists questions and answers that were posted by visitors named dumb boy.

Questions

The following questions were asked by visitors named dumb boy.

Mr. Smith has 100 students in his Algebra classes. The grades of a quiz are normally distributed with a mean of 70 and a standard deviation of 4. Sally claims that 75 students scored between 66 and 74 on this quiz. Given that this is normally distributed,...
10 years ago

Answers

The following answers were posted by visitors named dumb boy.

I need more accurate answers please
10 years ago