Fifty-seven percent of school districts offer locally sourced fruits and vegetables in their meal programs. You randomly select eight school districts and ask them whether they offer locally sourced fruits and vegetables in their meal programs. The random variable represents the number of school districts that offer locally sourced fruits and vegetables in their meal programs.

(a) Construct a binomial distribution, 

(b) Graph the binomial distribution using a histogram and describe its shape, and 

(c) Identify any values of the random variable x that you would consider unusual. Explain your reasoning.