\textbf{According to data from the United States Elections Project, only 36 percent of eligible voters voted in the 2014 elections. For random samples of size 40, which of the following best describes the sampling distribution of pˆ, the sample proportion of people who voted in the 2014 elections?} 
选项为:A:\textbf{The sampling distribution is skewed to the left, with mean 0.36 and standard deviation 0.076.}  B:\textbf{The sampling distribution is skewed to the right, with mean 0.64 and standard deviation 0.006.~}  C:\textbf{The sampling distribution is approximately normal, with mean 0.36 and standard deviation 0.076.~}  D:\textbf{The sampling distribution is approximately normal, with mean 0.36 and standard deviation 0.006.~}  E:\textbf{The sampling distribution is approximately normal,with mean 0.64 and standard deviation 0.076.~}  请回答其中一个选项.