Point estimate the proportion of all carpet selling shops selling carpets below the recommended list price suggested by the manufacturer (b) Construct the 95% confidence interval estimate for the population proportion of all carpet selling shops selling carpets below the recommended list price suggested by the manufacturer. (c) For random samples, each with the same sample size will be selected periodically. Suppose the 95% confidence interval estimate of the population proportion of all carpet selling shops selling carpets below the recommended list price suggested by the manufacturer have been constructed for 80 independent samples. Approximately how many such intervals can successfully include the true unknown population

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Chapter1: Starting With Matlab
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In a sample of 400 shops, it was discovered that 136 of them sold carpets below the recommended list price
suggested by the manufacturer.
(a) Point estimate the proportion of all carpet selling shops selling carpets below the recommended list price
suggested by the manufacturer

(b) Construct the 95% confidence interval estimate for the population proportion of all carpet selling shops
selling carpets below the recommended list price suggested by the manufacturer.

(c) For random samples, each with the same sample size will be selected periodically. Suppose the 95%
confidence interval estimate of the population proportion of all carpet selling shops selling carpets below
the recommended list price suggested by the manufacturer have been constructed for 80 independent
samples. Approximately how many such intervals can successfully include the true unknown population
proportion?

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