Answer:
= 7
10
Step-by-step explanation:
According to the title, we can know that:
P(two boys) = 2 P (three girls) = 3 = 1
5 6 2
P (two boys and three girls) = 2 + 1 - 2 × 1
5 2 5 2
= 9 - 2
10 10
Copyright © 2024 EHUB.TIPS team's - All rights reserved.
Answers & Comments
Answer:
= 7
10
Step-by-step explanation:
According to the title, we can know that:
P(two boys) = 2 P (three girls) = 3 = 1
5 6 2
P(AvB)= P(A)+P(B) - P(A)P(B)
P (two boys and three girls) = 2 + 1 - 2 × 1
5 2 5 2
= 9 - 2
10 10
= 7
10