A sample of 4 children was drawn from a population of rural Indian children aged 12 to 60 months.The sample mean of mid-upper arm circumference was 150 mm with a standard deviation of 6.73. What is a 95% confidence interval for the mean of mid-upper arm circumference based on your sample? The mid-upper arm circumference follows a normal distribution.

Select the optionthat isclosest to your answer among the options given.

1). (136.8, 163.2)

2). (139, 189)

3). (143.4, 156.6)

4). (148, 171)