Chapter 11.2, Problem 54E

To determine

To find: The expected count of females that responded “almost certain”.

Answer to Problem 54E

The expected count is 1038.8.

Explanation of Solution

Given:

The table is:

	Female	Male
Almost no chance	119	103
Same chance	150	171
50-50 chance	447	512
A good chance	735	710
Almost certain	1174	756

Calculation:

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

  $\begin{array}{c}\text{Expected count = }\frac{1174+756}{4877}\times 2625\\ =1038.8\end{array}$

Hence, the correct option is (c).