Multiple Choice
The weight of a product is measured in pounds.A sample of 50 units is taken from a batch.The sample yielded the following results: ![The weight of a product is measured in pounds.A sample of 50 units is taken from a batch.The sample yielded the following results: = 75 lbs. ,but we know that \sigma <sup>2</sup> = 100 lbs.Calculate a 95 percent confidence interval for . A) [71.25 78.75] B) [72.23 77.77] C) [47.28 102.72] D) [72.67 77.33]](https://d2lvgg3v3hfg70.cloudfront.net/TB1737/11eaa0cf_06e6_6c02_9cb2_c3ca6eaa5f06_TB1737_11.jpg)
= 75 lbs. ,but we know that 2 = 100 lbs.Calculate a 95 percent confidence interval for ![The weight of a product is measured in pounds.A sample of 50 units is taken from a batch.The sample yielded the following results: = 75 lbs. ,but we know that \sigma <sup>2</sup> = 100 lbs.Calculate a 95 percent confidence interval for . A) [71.25 78.75] B) [72.23 77.77] C) [47.28 102.72] D) [72.67 77.33]](https://d2lvgg3v3hfg70.cloudfront.net/TB1737/11eaa0cf_06e6_6c03_9cb2_ebe6c8d7fa8f_TB1737_11.jpg)
.
A) [71.25 78.75]
B) [72.23 77.77]
C) [47.28 102.72]
D) [72.67 77.33]
Correct Answer:
Verified
Correct Answer:
Verified
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