Nadia’s bookshelf contains 10 fiction books, two reference books, and five nonfiction books. what is the probability that she randomly picks up a reference book and then, without replacing it, picks up a nonfiction book?

answer:   our required answer is

.

explanation:

since we have given that

number of fiction books = 10

number of reference books = 2

number of of non - fiction books = 5

total number of books is given by

now, we need to calculate the probability that she randomly picks up a reference book which will be

now, without replacing it, picks up a non-fiction book ,

total number of books remaining in a bookshelf is given by

probability of getting a non-fiction book is given by

now, probability that she randomly picks up a reference book and then without replacing it   picks up a non-fiction book is given by

so, our required answer is

.

the answer for this question is 38

it shoild be o

step-by-step explanation: