The 95% confidence interval for the population will be 0.312 < SD < 0.885.
<h3>How to calculate the confidence interval?</h3>
From the information given, it should be noted that the values listed below are waiting times of customers at the Jefferson Valley Bank, where customers enter a single waiting line that feeds three teller windows.
The degree of freedom will be:
= 9 - 1 = 8
The number illustrated is 9 and the standard deviation is 0.462.
The 95% confidence interval will be'
= ✓(9 - 1) × 0.462²/17.53) < ✓(9 - 1( × 0.462)²/2.28
= 0.312 < SD < 0.885.
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Answer:
is there supposed to be a picture here?
Step-by-step explanation:
Answer:
16.43
Step-by-step explanation:
gib brainlest or else:0
Answer:
8.54
Step-by-step explanation:
If thousandth's place is ≥ 5 , then add 1 to the hundredth place.
6.487 = 6.49
2.049 = 2.05
6.487 + 2.049 = 6.49 + 2.05 = 8.54