Q4. The average amount of a rainfall during the summer months in Pakistan is 11.52 inches. A researcher selects a randomsample of 10 cities of Pakistan and the average amount of rainfall for the year...

Extracted text: Q4. The average amount of a rainfall during the summer months in Pakistan is 11.52 inches. A researcher selects a randomsample of 10 cities of Pakistan and the average amount of rainfall for the year 2012 was 7.42 inches. The standard deviation is also calculated to be (a) 1.3 inches. Using P- value, can it be concluded that for the year 2012 the mean rainfall was below 11.52 inches?