A null hypothesis for a goodness-of-fit test and a frequency table from a sample are given.

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A	B	C	D	Total
196	216	187	201	800

(a) Find the expected count for the category labeled B. The expected count is Enter your answer in accordance to item (a) of the question statement . (b) Find the contribution to the sum of the chi-square statistic for the category labeled B. Round your answer to three decimal places. The contribution for the category labeled B is Enter your answer in accordance to item (b) of the question statement . (c) Find the degrees of freedom for the chi-square distribution for this table. Enter your answer in accordance to item (c) of the question statement degree(s) of freedom