Answer:
A. 
Step-by-step explanation:
We want to find the Z-score of 
if the population mean is 
,and the population standard deviation is 
.
We use the formula:
We substitute the values to obtain:
The correct answer is A.
Answer:
Addison scored a better score on the test.
Step-by-step explanation:
Elaine's score can be found by dividing 19 by 24, which yields a result of 0.7916, which means her score is a 79 out of 100 (79%). Her score can also be found by doing 100/24 = 4.16666 repeating and multiplying that by 19, which also yields 79.6. Hope this helps!
Answer:
No solution 0≠3
Step-by-step explanation:
simplify parenthesis:
4x+4x+3=8x+6
combine like terms:
8x+3=8x+6
subtract three from both sides
8x=8x+3
subtract 8x from both sides
0≠3
This equation has no solution
i hope this helps u, pls give brainliest i only need one more then i level up and a thx, leave a comment if i am wrong
