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LiRa [457]
3 years ago
11

Suppose that a random sample of 50 bottles of a particular brand of cough syrup is selected and the alcohol content of each bott

le is determined. Let m denote the average alcohol content for the population of all bottles of the brand under study. Suppose that the resulting 95% confidence interval is (7.8, 9.4). a. Would a 90% confidence interval calculated from this same sample have been narrower or wider than the given interval
Mathematics
1 answer:
timofeeve [1]3 years ago
6 0

Answer:

95% confidence interval will be narrower.

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 50

95% confidence interval for average alcohol content:

(7.8, 9.4)

a) 90% confidence interval

  • If we calculate a 90% confidence interval, then the confidence interval become narrower because we decreased the confidence percentage.
  • This would decrease the margin of error.
  • Hence, the confidence interval become narrower.
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3 0
1 year ago
Which function below is the inverse of f(x) = x2 − 36? x squared over 36 ą6square root of x 1 over quantity x squared minus 36 ą
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4 0
3 years ago
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Answer:

w=p/2-t

Step-by-step explanation:

7 0
3 years ago
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Answer:

Step-by-step explanation:

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5 0
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madreJ [45]

Answer:

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Step-by-step explanation:

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$7

Adults:

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4 0
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