An experimental serum was injected into 500 guinea pigs. Initially, 200 had elli

Question

An experimental serum was injected into 500 guinea pigs. Initially, 200 had elliptical cell, and 100 had irregular cells. After the serum was injected, all of the guinea pigs with circular cells were affected, and none of those with irregular cells were affected. Determine the empirical probability that a guinea pig with a). circular cells, b). elliptical cells, and c). irregular cells will be affected by injection of serum.

a). The empirical probability that a guinea a pigs with circular cells will be affected by injection of the serum is_____

Two separate Questions

What is probability of getting either a nine or a queen when drawing a single card from a deck of 52 cards_______?

Explanation / Answer

Ans.probability of getting 9=P(9)=4/52

probability of getting a =P(q)=4/52

therefore prob(getting either 9 or queen)

=4/52 +4/52=8/52=2/13

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