The table shows the results of an experiment used to test whether Red Dye #2 causes cancer in laboratory rats.
Based on the table, what is the probability that a rat that was given a high dose of the dye did not have a tumor?
A) 0.13
B) 0.30
C) 0.70
D) 0.43

Question

The table shows the results of an experiment used to test whether Red Dye #2 causes cancer in laboratory rats. ​  ​
Based on the table, what is the probability that a rat that was given a high dose of the dye did not have a tumor?
A) 0.13 
B) 0.30 
C) 0.70 
D) 0.43

Quizplus · Accepted Answer

The table shows that out of 10 rats that were given a high dose of Red Dye #2, only 3 developed tumors, which means that 7 did not develop tumors. Therefore, the probability that a rat that was given a high dose of the dye did not have a tumor is 7/10, which is 0.70 or 70%.

The Table Shows the Results of an Experiment Used to Test