Neve built the following graph to model the flight of a rocket from Earth to outer space. Which of the following domains is appr
opriate for the graph and the context?
A) All Positive Real Numbers and Zero
B) All Real Numbers
C) All Negative Real Numbers and Zero
D) 0 to 2
A) All Positive Real Numbers and Zero
B) All Real Numbers
C) All Negative Real Numbers and Zero
D) 0 to 2
1 answer:
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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%