1,390 ÷ 25 = 55.6
55.6 × 1.99 = 110.644
He should budget $110.7
Answer:
A Type II error happens when the null hypothesis failed to be rejected, although it is false and the alternative hypothesis is true.
In this context, would be that the test does not give enough evidence to support the claim that the new procedure reduces the average cost, although it really does reduces it.
The new procedure is effective, but the sample does not give enough evidence.
Step-by-step explanation:
Answer:
1.4
Step-by-step explanation:
12x - 15 = 6 -3x
12x +3x = 6 +15
15x = 21
x = 1.4
Answer:
The number of students whose grade was 8 is more than twice the number of students whose grade was 5.
Step-by-step explanation:
N(8) models the number of students whose grades on exam was g.
(The answer is correct, I did it on Khan Academy