TestMagic Forums - View Single Post - A complete guide to Permutation, Combination and Probability. All you need for GMAT

mally · 04-22-2005, 12:19 AM

My answer for the 9th problem is D not E.How did u arrive at 1/32?
Problem given below:

If four fair coins are tossed, what is the probability of all four coming up heads?

A. 1/4

B. 1/6

C. 1/8

D. 1/16

E. 1/32

04-22-2005, 12:19 AM	#16 (permalink)
mally Eager! Join Date: Apr 2005 Location: Malvka,Atlanta Posts: 31	Re: A complete guide to Permutation, Combination and Probability. All you need for GMAT My answer for the 9th problem is D not E.How did u arrive at 1/32? Problem given below: If four fair coins are tossed, what is the probability of all four coming up heads? A. 1/4 B. 1/6 C. 1/8 D. 1/16 E. 1/32