A packing box is a rectangular prism with volume 2 m3.
1 answer:
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Answer:
P-value = 0.0367
Step-by-step explanation:
This is a hypothesis test for a proportion.
The claim is that the percentage of residents who favor construction is significantly over 42%.
Then, the null and alternative hypothesis are:
The sample has a size n=900.
The sample proportion is p=0.45.
The standard error of the proportion is:
Then, we can calculate the z-statistic as:
This test is a right-tailed test, so the P-value for this test is calculated as:
Answer:
25 cm
Step-by-step explanation:
where r is the radius of the circle
Plug in the given radius (4 cm)
Therefore, the circumference of the opening is approximately 25 cm.
I hope this helps!