Question

assume that 2600 births are randomly selected and 1310 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is significantly high. b. the number of girls is neither significantly low nor significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.

Explanation:

Step1: Calculate the proportion of girls

The proportion of girls is $\frac{1310}{2600}= 0.5038$.

Step2: Compare with expected proportion

In the absence of any bias, the expected proportion of girls in births is around 0.5. The calculated proportion 0.5038 is very close to 0.5.

Answer:

B. The number of girls is neither significantly low nor significantly high