Is this a binomial random variable ?

suppose that 10 percent of the chips produced by a computer hardware manufacturer are defective. if we order 100 such chips will the number of defective ones we receive be a binomial random variable ? I think it's a poisson random variable, right ? cuz the mean is small and the n is large. how can I know by... show more suppose that 10 percent of the chips produced by a computer hardware manufacturer are defective. if we order 100 such chips will the number of defective ones we receive be a binomial random variable ?

I think it's a poisson random variable, right ? cuz the mean is small and the n is large.
how can I know by looking if it's a poisson or binomial ?
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