What are the choices? You should have inserted a picture.
Answer:
yes
Step-by-step explanation:
4:8 and 3:6 when simplified gives the same result which is 1:2
Answer: 84.13%
Step-by-step explanation:
Given : The scores in a a language test with normally distributed.
Mean : 
Standard deviation: 
Let x be the random variable that represents the scores of students.
Formula for z-score: 
For x= 60 , we have

The probability f test takers scored a 60 or above :-

Hence, the percentage of test takers scored a 60 or above = 84.13%