614.40 because 204.80 divided by 4 is 51.20 and 51.20 multiplied by 12 is 614.40
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Step-by-step explanation:
The null hypothesis: The department has determined that there should be 40% A’s given, 40% B’s given and 20% C’s given as final grades for the course
If the p-value for this hypothesis test is = 0.000... and this number is lower than the 0.05 significance level, we reject the null hypothesis and conclude that from the result of our observation that final grades do not match this grading guidelines.
It means the grading guidelines was exceeded in terms of As, was less in terms of Bs and was higher in terms of Cs i e the grading guidelines was not consistent with what was stated in the null.
Answer:
x = 8
y = 3
Step-by-step explanation:
x + y = 11
x - y = 5 Subtract
2x = 16
x = 16/2
x = 8
x + y = 11 Substitute x = 8
8 + y = 11 Subtract 8 from both sides
8-8+y =11-8
y = 3
