Answer:
As , it is possible to reject null hypotesis. It means that the local mean height is less tha 0.7 m with a 5% level of significance.
Step-by-step explanation:
1. Relevant data:
2. Hypotesis testing
3. Find the rejection area
From the one tail standard normal chart, whe have Z-value for is 1.56
Then rejection area is left 1.56 in normal curve.
4. Find the test statistic:
5. Hypotesis Testing
As , it is possible to reject null hypotesis. It means that the local mean height is less tha 0.7 m with a 5% level of significance.
Answer - 20a + 24b because 8 is added to both variables.
I think the answer is B. 150 i may be wrong though
Imagine that 1 box = 1000 blocks.
It'll be 2 boxes, 4 cases, 1 stack, and 0 single blocks.
Answer:
5x^2 + 9x + 2
Step-by-step explanation: