Question

The probabilities by subject of on-time assignment submission and on-time arrival to class are given in the table. What is the chance that the subject is physics if an assignment is submitted on time? 
Subject:   On-time Assignment:     On-time Arrival to Class:
PHYSICS                  89.7%                                     82.3%
MATH                        88.2%                                     88.7%
CHEMISTRY             89.4%                                     83.1%
BIOLOGY                  90.1%                                     82.4%
TOTAL                       88.5%                                     84.7%

A.)82.3%
B.)88.5%
C.)89.7%
D.)insufficient data

Answer 1

Look in the "on time" column (first column) and the "physics" row (row 1)

The value 89.7% is in this row and column intersection

Therefore, the probability of getting a physics assignment on time is 89.7%, so the answer is choice C.

Answer 2

the answer is D. Insufficient data theres not enough data