one nanometer equals about 0.00000004 inches select from the drop down list correctly complete the sentence when writing this de
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Answer: 2.460
Step-by-step explanation:
The formula of Margin of Error for (n<30):-
Given : Sample size : n= 18
Level of confidence = 0.90
Significance level :
Using the t-distribution table ,
Critical value :
Standard deviation:
Then, we have
Hence, the margin of error (ME) of the confidence interval with a 90% confidence level = 2.460