Q.54 - The Practice of Statistics for AP

Question

The expected count of females who respond “almost certain” is 

(a) $464.6$.

(b) $891.2$.

(c) $1038.8$.

(d) $1174$.

(e) None of these.  

Step-by-Step Solution

Answer

The expected count is $1038.8$. Therefore, the correct option (c).

Step 1: Given Information

The table is

Step 2: Explanation

The expected count of females that responded "almost certain" can be computed as:

$\text{ Expected count }=\frac{1174+756}{4877}\times 2625$

$=1038.8$

Hence, the correct option is (c).