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1 answer:
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Answer:
the minimum sample size n = 11.03
Step-by-step explanation:
Given that:
approximate value of the population standard deviation = 49
level of significance ∝ = 0.01
population mean = 38
the minimum sample size n = ?
The minimum sample size required can be determined by calculating the margin of error which can be re[resented by the equation ;
Margin of error =
n ≅ 11.03
Thus; the minimum sample size n = 11.03
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I just gave you 0.888 is it's fraction and percentage.
First, 111/125 is the simplified answer and is over the 100th and is not big enough for the 1,000's.
Second, 111/125 as a percentage is 88.8%.
Have a great day.
Based on the above, the interval will their systolic pressure be lowest is 4pm to 5pm.
<h3>What is the interval about?</h3>From the function given above, the lowest systolic pression can be seen from 5 and 8 hours after taken the medication.
Therefore, this will fall into or between the interval of 2pm to 5pm.
And as such, looking at the question, the option that best fit into this time range is 4pm to 5pm.
Therefore, Based on the above, the interval will their systolic pressure be lowest is 4pm to 5pm.
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