please show work as well so I may understand how to you got the answer

2. (5 pts) A study was done of Down syndrome patients to estimate the prevalence of celiac disease in people with Down syndrome. a. (3 pts) The study showed that 4.6% of people with Down syndrome also have celiac disease. In a sample of 50 people with Down syndrome, what is the probability that at least 2 have celiac disease? b. (2 pts) In a sample of 50 people with Down syndrome, what is the mean number of people with celiac disease, and what is the standard deviation?1. (10 pts) In a study of 9 people with celiac disease, the following platelet counts were observed: 150 200 130 250 225 300 330 600 1400 a. Find the five-number summary of the data set. b. Identify the outliers if there are any. c. Construct a box-and-whiskers plot. d. Find the mean of the data. e. Is the data left or right skewed or symmetric? Give two explanations