Answer:
20.25
Step-by-step explanation:
Just multiply the base and height then divide the results in half.
Hope this helps!
Answer;
4.215
Step-by-step explanation:
there you go
Treat this almost as 2 separate problems.
P(male) = 0.40. P(two males) = (0.40)(0.40) = 0.1600.
P(female)= 0.60. P(two females) = (0.60)^2 = 0.3600
Now add these two probabilities together: P(students are of the same gender) = 0.52