Answer:
The probability that a student pick from this group at random either has blue or brown eyes is
P = 40/65 = 0.6154
P = 61.54%
Corrected question;
In a group of 65 students 10 have brown eyes and 30 have blue eyes. Find the Probability that a student pick from this group at random either has blue or brown eyes
Step-by-step explanation:
Given;
Total number of students = 65
Number of students with either blue or brown eyes;
= 10+30 = 40
The probability that a student pick from this group at random either has blue or brown eyes is
P = 40/65 = 0.6154
P = 61.54%
Substituting 3 for x:
-4(3)+9
-12+9
-3
Answer:
108
Step-by-step explanation:
Robin cleans 72 rooms in 6 days,
so he cleans 72 rooms / 6 days = 12 (rooms /day),
so 9 days he could clean (12 rooms / day) * (9 days) = 108 rooms
Answer:
3. is the correct answer
Step-by-step explanation:
