Data set 4: 32, 26, 64, 44, 34, 57, 56, 30 4. An insurance company employs agents on a commission basis.It claims that,in their first year.agents will earn a mean commission of at least $40.000 and that the standard deviation is S6.000.To test this claim,you sampled the agents and recorded the commissions in $1000 for the first year that are given inDATASET4. (a) Test it at a 0.02significance level. (b)Calculate the corresponding p-value and comment.