One hundred policyholders file claims with CareFree Insurance. Ten of these claims are fraudulent. Claims manager Earl Evans randomly selects four of the ten claims for thorough investigation. If x represents the number of fraudulent claims in Earl's sample, x has a/an ____________ .
A. normal distribution
B. exponential distribution
C. binomial distribution, but may be approximated by a Poisson
D. binomial distribution, but may be approximated by a normal
E. hypergeometric distribution, but may be approximated by a binomial