You draw and keep a single coin from a bowl that contains 12 pennies, 9 dimes, and 20 quarters. What is the expected value to you? Choose the correct and give reasons for the same:  Sycon (Scypha),...

You draw and keep a single coin from a bowl that contains 12 pennies, 9 dimes, and 20 quarters. What is the expected value to you?

Choose the correct and give reasons for the same:

Sycon (Scypha), Spongilla (Fresh water sponge) and Euspongia (Bath sponge) are examples of which Phylum?

A. Coelenterata                  B. Platy helminthes

C. Ctenophora                    D. Porifera