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 April 23rd, 2013, 03:03 AM #1 Newbie   Joined: Apr 2012 Posts: 7 Thanks: 0 Probability A student taking a MC exam with 6 QQ's in which each equation has 4 options, and the student selects the options randomly. What is the probability that she will get 6 qq's correct? Round to 4 decimal places as needed. Can someone please explain to me, on how to work this out? I'm quite confused ~~". 0.25% chance in getting one qq right. X6?
April 23rd, 2013, 02:40 PM   #2
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Re: Probability

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 Originally Posted by HungerGames1 A student taking a MC exam with 6 QQ's in which each equation has 4 options, and the student selects the options randomly. What is the probability that she will get 6 qq's correct? Round to 4 decimal places as needed. Can someone please explain to me, on how to work this out? I'm quite confused ~~". 0.25% chance in getting one qq right. X6?
.25^6 = 2.4414 x 10^-4

 April 24th, 2013, 09:26 AM #3 Math Team   Joined: Sep 2007 Posts: 2,409 Thanks: 6 Re: Probability If A has probability p and B has probability q, the probability of A and B is pq: p times q. Whoever gave you this problem clearly expects you to know that.

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