Question: Can someone help me with this and complete solution thanks. 5 | CONFIDENCE INTERVAL FOR THE POPULATION MEAN WITH KNOWN 6. LEARNING COMPETENCIES: The learners

Can someone help me with this and complete solution thanks.

5 | CONFIDENCE INTERVAL FOR THE POPULATION MEAN WITH KNOWN 6. LEARNING COMPETENCIES: The learners are able to: 1. discuss the concept of estimation; 2. differentiate point estimate and interval estimate; 3. identify the properties of a good estimator; 4. determine the value of level of confidence and level of significance; and 5. compute (a) point estimate of the parameters, (b) standard error of the mean, (c) margin of error.Answer the following problems below. Show your complete solution. A. A survey of 30 households found that the mean age of an LED TV is 4 years. Assuming the standard deviation of the population is 0.75 year; find the best point estimate of the population mean and the 99% confidence interval of the population mean. Solution: Conclusion: A. Find the 90% confidence interval of the population mean for the incomes of executive secretaries in Makati City. A random sample of 30 executive secretaries is shown. The data are in thousand pesos. 17.0 14.0 20.0 18.2 14.5 15.0 25.3 20.1 21.9 22.6 23.0 17.4 19.0 16.0 13.0 16.0 30.2 19.0 16.3 14.6 13.0 17.0 25.0 15.9 14.0 22.7 18.3 17.0 15.8 18.2 Solution: Conclusion

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