Recent content by Istar

Thx

In a park , 200 foxes are tagged. In 100 sighting, 14 were tagged. Estimate the size of the fox population ? This is how approached . 200 tagged : Population 14 tagged : 100 (200x100/14)= Estimated Population = 1,429 I wonder if this is right !

Thank you very much

Thank you, guess did most of the work and didnt finish it . So do I have to multiply 14C10 x 14C4 to get the final answer ?

The rooms of Ben’s apartment has 14 walls. He has enough paint to cover 10 of these walls with one color and the rest with another color. In how many ways could Ben paint his apartment ? This problem I used combinations for 10 walls for one color and 4 walls for one color; Here my...

Thank you very much ... I guess I was overthinking with the rest of the probability and neglected that. The table blindsided me. Thx again

Thank you for your welcome, This is how I did it : X P(X=x) 50000/1000000 1.5 2/1000000 1200 1/1000000 15000 1/1000000 35000 Expected mean value [x] = {x(Px)} = (0.05x1.5) + (0.000002x1200) + (0.000001x15000) + (0.000001x35000) = (.075) + (0.0024) + (0.015) +...

In its flip a lid contest, a coffee chain offers prizes of 50,000 free coffees, each worth \$1.50; two new TVs, each worth \$1200; a snowmobile worth \$15 000; and sports car worth \$35 000. A total of 1 000 000 promotional coffee cups have been printed for contest. Coffee sells for \$1.50 per...