Question

There are 90 penguins in a zoo. There are two types- Humboldt and Emperor. 52 are female, of these 6 are Emperor penguins. There are 5 male Emperor penguins. Use this information to complete the frequency tree.

Answer 1

• Total number of penguins = 90
• Female penguins = 52
• Male penguins = 90 - 52 = 38
• Female Emperor penguins = 6
• Female Humboldt penguins = 52 - 6 = 46
• Male Emperor penguins = 5
• Male Humboldt penguins = 33