A study of drug addicts in Amsterdam recorded how often each addict had recently injected drugs and whether or not the addict was infected with HIV, the virus that causes AIDS. Here is a two-way table of the numbers of addicts in each condition:

How many addicts did the study gather data from?
A) 156
B) 86
C) 77
D) 70
E) Can't tell from the table.

Question

A study of drug addicts in Amsterdam recorded how often each addict had recently injected drugs and whether or not the addict was infected with HIV, the virus that causes AIDS. Here is a two-way table of the numbers of addicts in each condition:

How many addicts did the study gather data from?

How many addicts did the study gather data from?
A) 156 
B) 86 
C) 77 
D) 70 
E) Can't tell from the table.

Quizplus · Accepted Answer

The Answer of A study of drug addicts in Amsterdam recorded how often each addict had recently injected drugs and whether or not the addict was infected with HIV, the virus that causes AIDS. Here is a two-way table of the numbers of addicts in each condition:

How many addicts did the study gather data from?
A) 156 
B) 86 
C) 77 
D) 70 
E) Can't tell from the table.

A Study of Drug Addicts in Amsterdam Recorded How Often