A null hypothesis for a goodness-of-fit test and a frequency table from a sample are given.  H0:  pa = pb = pc = pd = 0.25 Ha: Some pi ≠ 0.25 A B C D Total 138 155 127 140 560 (a) Find the expected count for the category labeled B.     The expected count is ___________ 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 ____________ c)Find the degrees of freedom for the chi-square distribution for this table. Degree(s) of freedom_

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

 H0:  pa = pb = pc = pd = 0.25
Ha: Some pi ≠ 0.25

A B C D Total
138 155 127 140 560

(a) Find the expected count for the category labeled B.

    The expected count is ___________

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 is ____________

c)Find the degrees of freedom for the chi-square distribution for this table.

Degree(s) of freedom_____________

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