Answer: 14
Step-by-step explanation:
Fraction that choose hip hop= 1/3
Fraction that choose rap = 1/5
Fraction that choose rock will be:
= 1 - (1/3 + 1/5)
= 1 - (5/15 + 3/15)
= 1 - 8/15
= 7/15
Number of students that choose rock will be:
= 7/15 × 30
= 7 × 2
= 14 students
We then multi
Answer:
x=-2
Step-by-step explanation:
Answer:
The answer is 2/5
Step-by-step explanation:
10/15 simplified is 2/5
Answer:
Prob = 0.514
A. independent
Step-by-step explanation:
The probability that the club chooses a girl and then a boy for the representative spots
Total = 15
Boys = 6
Girls = 9
Prob of 2 person, a girl and a boy
=( 9C1*6C1)/(15C2)
= (9*6)/(105)
= 54/105
= 0.514
