Hel pl In a certain elementary school, 52% of the students are girls. A sample of 65 students is drawn.

1) What is the probability that less 60% of them are girls.

A) 0.0018

B) 0.8023

C) 0.8773

D) 0.9016

Type A, B, C, or D in the box

2) What is the probability that more than 70% of them to be girls.

A) 0.0018

B) 0.8023

C) 0.8773

D) 0.9016

Type A, B, C, or D in the box

3) Would it be unusual for more than 70% of them to be girls.

Type "usual" or "unusual" in the box