How many computers? In a simple random sample of 180 households, the sample mean number of personal computers was 1.03. Assume the population standard deviation is o = 0.34. Part 1 of 4 (a) Construct a 99.5% confidence interval for the mean number of personal computers. Round the answer to at least two decimal places. A 99.5% confidence interval for the mean number of personal computers is

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Cise Science Ap...
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Elementary Statistics Enhancad, 3rd Ed.
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8.1Section Exercise 44
How many computers? In a simple random sample of 180 households, the sample mean number of personal computers was
1.03. Assume the population standard deviation is o = 0.34.
Part 1 of 4
(a) Construct a 99.5% confidence interval for the mean numb
decimal places.
of personal computers. Round the answer to at least two
A 99.5% confidence interval for the mean number of personal computers is
<u<].
Part: 1/ 4
Part 2 of 4
(b) If the sample size were 140 rather than 180, would the margin of error be larger or smaller than the result in part (a)?
Expl
REDMI NOTE9S
AI QUAD CAMERA
The margin of error would be (Chonse ona)
四
Transcribed Image Text:Cise Science Ap... Program: Exercise S... E Connect IMATH MATH 1342 Spring 2021-. Elementary Statistics Enhancad, 3rd Ed. Logout Welcome, Daniel Ekema! Hosted by ALEKS Corp Test 3 (Chapters 8-9, 12.1) eBook DE Help ? 1. 21 4 7. 10 11 12 13 14 15 16 17 Question 2 of 17 (1 point) Attempt 1 of 1 View question in a popup Ở 1h 22m Remaining 8.1Section Exercise 44 How many computers? In a simple random sample of 180 households, the sample mean number of personal computers was 1.03. Assume the population standard deviation is o = 0.34. Part 1 of 4 (a) Construct a 99.5% confidence interval for the mean numb decimal places. of personal computers. Round the answer to at least two A 99.5% confidence interval for the mean number of personal computers is <u<]. Part: 1/ 4 Part 2 of 4 (b) If the sample size were 140 rather than 180, would the margin of error be larger or smaller than the result in part (a)? Expl REDMI NOTE9S AI QUAD CAMERA The margin of error would be (Chonse ona) 四
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