A bird drops a stick from the top of Miami Tower. The height of the stick after seconds is given by
1 answer:
The interpretation (B), interpretation (C), and interpretation (D) are correct when the coordinates of the point at the maximum of the function and the point is (0, 625)
<h3>What is a function?</h3>It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.
We have:
A bird drops a stick from the top of Miami Tower.
Here the function is not given, so we are assuming the function is:
f(x)=625-16x²
x is in the seconds.
x = 0 seconds, we will get the maximum values of the function.
So the correct interpretations are:
- The time when the stick is at its highest point.
- The height of the stick when it is dropped from Miami Tower.
- The time when the stick is dropped from the top of Miami Tower.
Thus, the interpretation (B), interpretation (C), and interpretation (D) are correct when the coordinates of the point at the maximum of the function and the point is (0, 625)
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Answer:
We conclude that the actual average cost per workbook is higher than $27.50.
Step-by-step explanation:
We are given the following in the question:
Population mean, μ = $27.50
Sample mean, = $28.90
Sample size, n = 44
Alpha, α = 0.05
Population standard deviation, σ = $5.00
First, we design the null and the alternate hypothesis
We use one-tailed z test to perform this hypothesis.
Formula:
Putting all the values, we have
Now,
Since,
We reject the null hypothesis and accept the alternate hypothesis.
Thus, we conclude that the actual average cost per workbook is higher than $27.50.