1. Marigold School has 540 students this SY 2021 - 2022. A random sample of 55 students with an average weekly allowance of Php 745 shows that the students were below the expected weekly budget. A population standard deviation of Php 95. Find the 90%, 95% and 99% confidence intervals.

95%	Answer 1 Choose:(711.95, 778.05)(719.89, 770.11)(723.86, 766.14)
99%	Answer 2 Choose:(711.95, 778.05)(719.89, 770.11)(723.86, 766.14)
90%	Answer 3Choose:(711.95, 778.05)(719.89, 770.11)(723.86, 766.14)

2. Marigold School has 540 students this SY 2021 - 2022. A random sample of 55 students with an average weekly allowance of Php 745 shows that the students were below the expected weekly budget. A population standard deviation of Php 95. What is the margin of error at a 95% confidence level? Answers should be in 2 decimal places.

3. Marigold School has 540 students this SY 2021 - 2022. A random sample of 55 students with an average weekly allowance of Php 745 shows that the students were below the expected weekly budget. A population standard deviation of Php 95. What is the best estimate of the population?