Answer:
205.81 to 214.19
Step-by-step explanation:
Sample size (n) = 50
Sample mean weight (X) = 210 grams
Sample standard deviation (s) = 18 grams
Confidence coefficient (Z) at 90% = 1.645
The confidence interval for the true mean breaking strength of cotton threads of this type, at a 90% confidence level, is given by:

The confidence interval is 205.81 grams to 214.19 grams.
Answer:
word
Step-by-step explanation:
Answer:
its only people in mountainous areas
Step-by-step explanation:
Your answer is G because it cant be used to find students 59 inch tall
Answer:
X=10
Step-by-step explanation:
explanation is in the image above
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