Ummm i don't know what the pmf would be but the probability of grabbing a blue sock would be 10 out of 100...
Answer:
I am not sure but i think the midpoint is 4.5 and 6
1)7; divide by 7 2)-3; divide by 2 3)8; divide by -4 4)54; multiply by 6 5)80; multiply by -10 6)-6; divide by -9 7)-5; divide by -12 8)-40; multiply by 20 9)-90; multiply by 10 10)20 11)615; plug in 205 for R and 3 in T. multiply by 3
