Business statistics application

Reference no: EM1393207

Question 1

Design a 95 percent confidence interval for the proportion of defectives in a large lot, if a sample of 200 showed 12 defectives.

Question 2

The prices of 23" TV sets sampled by a consumer guide were as follows: $400, $600, $550, $450, $700, $500, and $650. Build a 98 percent confidence interval for the mean.

Reference no: EM1393207

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