Answer:

Step-by-step explanation:
Given
--- proportion that have very little confidence
--- sample
Required
Determine the probability that exactly 5 have very little confidence
This question will be solved using binomial probability:

In this case: x = 5.
So, we have:




Answer:
657m²
Step-by-step explanation:
use the provided formular and substitute the values
Answer: 19.5
Step-by-step explanation:
Use Pythagorean theorem to find the diagonal as it is a right triangle.
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