Helppppppppp plzzzzz !!!!
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