Answer:
Step-by-step explanation:
Z = (x-µ)/(s/√n)=(98.5-98.2)/(0.62/√19) = 2.11
left tail p-value = 0.9826
so 98.26% are lower.
Answer:-1/3
Step-by-step explanation:
Answer:
The last option.
Step-by-step explanation:
First answer = 6/8
Second answer= 5.5/8
Third answer= 6.5/8
Fourth answer= 4/8
Fourth answer is correct.
Answer:
0.55A dollars
Step-by-step explanation:
If 45% of the money was spent, then the percentage left was
100% - 45%, or 55%.
Thus, to answer this question, we multiply (A dollars) by 0.55:
0.55A dollars was left after the expenditure of 45% of the original amount.
