Can you confirm the equation? It looks like
How many wholes are there in 7/3
2 answers:
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Answer:
Margin of error for a 95% of confidence intervals is 0.261
Step-by-step explanation:
<u>Step1:-</u>
Sample n = 81 business students over a one-week period.
Given the population standard deviation is 1.2 hours
Confidence level of significance = 0.95
Zₐ = 1.96
Margin of error (M.E) =
Given n=81 , σ =1.2 and Zₐ = 1.96
<u>Step2:-</u>
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On calculating , we get
Margin of error = 0.261
<u>Conclusion:-</u>
Margin of error for a 95% of confidence intervals is 0.261
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Answer:
The roots are
<h3>Step-by-step explanation:
9x² + 54x + 82 = 0
Using the quadratic formula
That's
<h3>From the question
a = 9 , b = 54 , c = 82
Substitute the values into the above formula and solve
That's
<h3>Separate the real and imaginary parts
That's
<h3>We have the final answer as
<h3>Hope this helps you