20% of the books in a library were fiction books while the rest were non-fiction books.

When 30% of the fiction books and 15% of the non-fiction books were
borrowed, there were 1312 books left in the library. How many books were
borrowed?

An optical inspection system is used to distinguish among different part types. the probability of a correct classification of any part is 0.92. suppose that three parts are inspected and that the classifications are independent. let the random variable x denote the number of parts that are correctly classified. determine the probability mass function of x. round your answers to four decimal places (e. g. 98.7654). x f(x) 0 1 2 3

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

Oliver read for 450 minutes this month his goal was to read for 10% more minutes next month if all of her medicine go how many minutes will you read all during the next two months