A number cube with the numbers 1, 2, 3, 4, 5, and 6 is rolled 1000 times. About how many times would it be expected that a number greater than 1 is rolled?

A.
167

B.
333

C.
667

D.

833
Please Explain!

Question

A number cube with the numbers 1, 2, 3, 4, 5, and 6 is rolled 1000 times. About how many times would it be expected that a number greater than 1 is rolled? 	
	
 
A.
	167
	
 
B.
	333
	
 
C.
	667
	
 
D.
	

833
Please Explain!

whpalmer4 · Answer

What is the probability P that you'll roll a number greater than 1 with one roll?

The expectation of how many times that will happen in 1000 rolls will be 1000*P, as each roll is an independent event.  What we roll this time has no effect on what we roll the next time.