The quality control department of a certain furniture shop took a sample of 42 couches and lound out that the mean depth was 97 cm. Assume that the population standard deviation is 25 cm Create a 95% confidence interval for the mean depth of the couches that the factory produces 1. 96 24 SS9776 2 96 3654 sp 97.6346 3. 96.0046 sa 97.9954 4. 96.1011 sS 97.8989 5. 96.5062 5 97.4938

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The quality control department of a certain furniture shop took a sample of 42 couches and found
out that the mean depth was 97 cm. Assume that the population standard deviation is 2.5 cm
Create a 95% confidence interval for the mean depth of the couches that the factory produces
1. 96 24 sS 97.76
2. 96 3654 sps 97.6346
3.96.0046 sa < 97.9954
4. 96.1011 s S 97.8989
5. 96.5062 S S 97.4938
Transcribed Image Text:The quality control department of a certain furniture shop took a sample of 42 couches and found out that the mean depth was 97 cm. Assume that the population standard deviation is 2.5 cm Create a 95% confidence interval for the mean depth of the couches that the factory produces 1. 96 24 sS 97.76 2. 96 3654 sps 97.6346 3.96.0046 sa < 97.9954 4. 96.1011 s S 97.8989 5. 96.5062 S S 97.4938
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