In a packaging process, 50 samples were collected and inspected. Each sample comprises of 4 parts. The following table summarizes the number of defectives found in these samples. X O 0 7 1 10 2 10 3 15 4 8 where X is the number of defectives and O is the number of observed frequency. Test the following hypothesis test. Use = 0:05. H0: The probability distribution is Binomial distribution H1: The probability distribution is NOT Binomial distribution