Answer:
Step-by-step explanation:
Given that :
the null and the alternative hypothesis are computed as :


This is a two tailed test
This is because of the ≠ sign in the alternative hypothesis which signifies that the rejection region in the alternative hypothesis are at the both sides of the hypothesized mean difference .
Decision Rule: at the level of significance ∝ = 0 . 10
The decision rule is to reject the null hypothesis if z < - 1 . 64 and z > 1 . 64
NOTE: DURING THE MOMENT OF TYPING THIS ANSWER THERE IS A TECHNICAL ISSUE WHICH MAKES ME TO BE UNABLE TO SUBMIT THE FULL ANSWER BUT I'VE MADE SCREENSHOTS OF THEM AND THEY CAN BE FOUND IN THE ATTACHED FILE BELOW
Answer:
-2/3
Step-by-step explanation:
The answers would be -8 and 18
-8×18 = -144
-8+18 = 18-8 = 10
Answer:
The answer is 192.
Step-by-step explanation:
Looks like the very definition for a rational number