They walked the short distance to the pitch and he questioned her about her previous Quidditch experience . " My brothers had me keep score when they had pickup games , but they never let me play . It was all right for them , but Merlin forbid their baby sister ever play . " She launched into what Oliver thought was a very good impression of Fred .

Give answer the following question using evidence from the above passage: Why may the new prospect be confident in her playing ability ?
She has practiced with her siblings .