Answer:
0.0207
Step-by-step explanation:

2 3/4 would be 2.75 in simplest fraction form
Answer:
1/6 x 1/6 x 1/6 = 1/36 x 1/6 = 1/216
You multiply the chances
Hope this helped
Step-by-step explanation:
Answer:
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Boo167
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Step-by-step explanation:
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.