Q. 8 - The Practice of Statistics for AP

Question

The expected count of cases of lymphoma in homes with an HCC is

(a) $\frac{79·31}{215}$.

(b) $\frac{10·21}{215}$.

(c) $\frac{79·31}{10}$.

(d) $\frac{136·31}{215}$.

(e) None of these.

Step-by-Step Solution

Answer

a) $\frac{79·31}{215}$

Step 1: Given Information

Need to find The expected count of cases of lymphoma in homes with an HCC.

Step 2: Explanation

The expected count is the product of the row total and the column total, divided by the sample size $n=215.$

The row total of HCC is 79. The column total of Lymphoma is 31,

       $E=\frac{79\times 31}{215}$