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# Statistice Probability question!?

A random number generator is set to generate integer random numbers between 1 and 10 inclusive following a uniform distribution. What is the probability of the random number generator generating a 7 or lower?

How do I solve this?

### 2 Answers

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- 9 years agoFavorite Answer
Within the range [1, 10] each number has a 1 in 10 chance of being generated- that's 1/10

So there are 7 numbers between 1 and 7 inclusively and each of the numbers' probability of being generated is 1/10, and the question is what the probability of a 7 or lower being generated is. Thus you want to find out the probability of getting a 1 OR 2 OR 3... and so on, so you want to add the probabilities of each of these possibilities. 1/10 added 7 times (or 1/10 x 7) would be 7/10.

Hope I helped!

Source(s): I took AP Statistics last year- Login to reply the answers

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