please show all steps using excel formulas A sociologist surveyed the households in a small town. The random variable X represents the number of dependent children in the Household. a) Complete the...

please show all steps using excel formulas

A sociologist surveyed the households in a small town.

The random variable X represents the number of dependent children in the Household.

a) Complete the empty cell.

b) Find the expected value and the standard deviation, then interpret.

c) Find the probability to have between 2 to 6 dependent children in the households

 Is X=6 a significantly high number of dependent children?