An experimental serum was injected into 500 guinea pigs. Initially, 200 of the g

Question

An experimental serum was injected into 500 guinea pigs. Initially, 200 of the guinea pigs had circular cells, 150 had elliptical cells, and 150 had irregular cells. After the serum was injected, none of the guinea pigs with circular cells were affected, 100 with elliptical cells were affected, and all of those with irregular cells were affected of serum. a) The empirical probability that a guinea pig with circular cells will be affected by injection of the serum isL Type an integer or a simplified fraction.) b) The empirical probability that a guinea pig with ellitical cells will be affected by injection of the serum is (Type an integer or a simplifed fraction.) c)The empi cal probability that a guinea pig with megular cells will be affected by injection of the s rum is (Type an integer or a simplified fraction.) re to search End PgUp PoD PrtScn Home

Explanation / Answer

200 circular - none of them affected
hence
probability = 0/200 = 0
b)
elliptical - 150
100 affected
hence 100/150= 2/3 = 0.66666
c)
irregular cells = 150
all affected
hence 150/150 = 1

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