The difference of Rick's height and 16 is 57. the variable r equals rick's height
2 answers:
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Answer:
- 0.83
- 0.9
- steeper than
- slower than
Step-by-step explanation:
Letting t=1 in Ted's equation, we find that he climbs 5/6 stairs in 1 second. As a decimal, 5/6 ≈ 0.83.
Michael climbs 9 stairs in 10 seconds so his rate is ...
... (9 stairs)/(10 seconds) = (9/10) stairs/second = 0.9 stairs/second
Michael's graph will be a line with a slope of 0.9; Ted's graph will be a line with a slope of about 0.83, so the line on Michael's graph is steeper.
Ted climbs fewer stairs per second, so his rate is slower than Michael's.
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<em>Comment on the problem</em>
You're being asked to compare two different rates that are associated with two different people. First the comparison is one way, then it is the other way. This can be confusing. It might be helpful to draw and label a simple chart to help you keep it straight. (The attachment is such a chart scribbled on a bit of scratch paper. It is sufficient for the purpose.)
The probability of making a type II error is given by one minus the power of the hypothesis test.
In general for the alternative hypothesis ,
The power of a hypothesis test is given by:
The probability of <span>making a type ii error when μ = 31,000 is given by
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In general for the alternative hypothesis ,
The power of a hypothesis test is given by:
The probability of <span>making a type ii error when μ = 31,000 is given by