contestada

From a group of 6 freshmen, 5 sophomores, and 8 seniors, a
student is to be selected at random. What is the probability
that the selected student is
a) a senior
b) not a freshman?
….please help I don’t understand

Respuesta :

keiranate009

Answer:

a: 42%

b: 68%

Step-by-step explanation:

kdu700

Answer:

1. The probability of selecting a senior is 0.42 (42%).

2. The probability of not selecting a freshman is 0.68 (68%).

Step-by-step explanation:

Total students: 19

  • Freshmen: 6
  • Sophomores: 5
  • Seniors: 8

1. [tex]\frac{8}{19} = 0.42[/tex]

2. [tex]\frac{13}{19} = 0.68[/tex]