Question

Finding Binomial Probabilities A poll is given, showing 40% are in favor of a new building project. If 8 people are chosen at random, what is the probability that exactly 2 of them favor the new building project? Round your answer to 3 decimal places. Preview

could someone please help me with the following? Thanks

Answer 1

O om. = 1 if - Birthop); P(x= x) = ( E ) x pax e-phase *p*(1-5) 928; P = 0.40 Seum 11- Requesied Probability = (&)*(0.40%*(1-0.40-2 = 0.209 (nowe centais) Seun 2 x n=32, p=0.63. P(Mrs Bo the will pick all 32 of the first round games correctly ) a > (32) *(0.63) ** (-0.63 332-32 ON decimals

A sound P/Mos Bothe will pick exactly 13 games correctly in = 3)*(0,63* C1-0-6.332-13 = 0.005 (round to 3 decimal Pay P (Has to the will pick excectly 15 games correctly in eu X I first sound) 32-is- = ( 33 ) x (0.63 x (1-0.63) 2.0.025 E Caround to 3 decimales a 3rd sums st X: No. of hits in game otst I X~Bin C9, 0.174) ( 2 ) = - (25) = - Š ) x(0-194) * *(-0.174) Peven -a 9. Svo = 1 -0.99856 = 0,00149 0.00! (roud toz deumels.)