Multiple Choice
There are 10 rolls of film in a box and 3 are defective. Two rolls are to be selected one after the other. What is the probability of selecting a defective roll followed by another defective roll?
A) 1/2 or 0.50
B) 1/4 or 0.25
C) 1/120, or about 0.0083
D) 1/15, or about 0.07
E) None of the choices are correct
Correct Answer:

Verified
Correct Answer:
Verified
Q66: When applying the special rule of addition
Q67: The following distribution table represents preferences for
Q68: An insurance company has collected the following
Q69: The numbers 0 through 9 are to
Q70: You have the assignment of designing colour
Q73: A survey of 500 top Canadian companies
Q74: Given the tree diagram below, how many
Q75: Considering the chart below, what is the
Q76: A visual means useful in calculating joint
Q77: A board of directors consists of eight