19) B

The answer is in the Category A section of the Definitions.
It states that 75% of the cases received a response in 8 minutes. This means that 25% of the cases received a response after 8 minutes.
In the third bullet point of the executive summary, it is stated that 2.23 million Category A cases were reported in 2011.
25% of 2.23 million (≈ 2.24 million) = 0.56 million

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s