Question Detail

BIO 101 Last Min Prep Objective Question

Question

A family has three daughters. The mother is pregnant for the fourth time. What is the chance of the fourth child being a son?
Options
A 25%
B 50%
Correct Answer
C 75%
D 100%
Correct Answer

Option B is the correct answer.

Detailed Explanation

The sex of each child is an independent event, with approximately a 50% chance of being a son. Previous children do not affect the probability for the next child.

Hint

Past outcomes don't influence future independent events.

Question Info