03. Bellavista is a small town in northern region with only 400 households. Monthly gas bill in Bellavista is positively skewed with a mean of 1000 take and a standard deviation of250 taka per month. Let f be the mean amount of gas bills for a random sample of 64 households from this town. (a) Find the probability that the average monthly gas bill of a household is not more than 1050 taka per month. (b) What percentage of households' mean yearly gas bill is at least 1224!] take? (c) Comment on the distribution of i. 2 HM