A bookstore classifies its books by reader group, type of book, and cost. What is the probability that a book selected at random

Question

2 years ago

11

A bookstore classifies its books by reader group, type of book, and cost. What is the probability that a book selected at random

is a child’s book, given that it costs $15?
< $10 > $10
Child Fiction 120 255
Nonfiction 35 60
Adult Fiction 200 110
Nonfiction 75 150
A. 3151005
B. 4701005
C. 315575
D. 470575

Mathematics

1 answer:

Alina [70] · Answer 1 · 2023-05-08T09:41:27+03:00

Alina [70]2 years ago

3 0

Answer:

A) 315/1005

Explanation:

Total choices: 120 + 255 + 35 + 60 + 200 + 110 + 75 + 150 = 1005

Favorable choices: 255 + 60 = 315

probability:

favorable choices/total choices

315/1005

21/67