Eght mice are selected at rand on and they are divided into two graups of 4 each. E ach mous e in group A is given a dose of certain poisonalwhich is expected to Kill one in four; each mouse in group B is given a dose of certain poison 'b which is expected to Kill one in two. show that nevertheless, there may be fewer deaths in group B than in group A and find the Probability of this happening.

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Discret Probability distribution
Eight mice are selected at rand on and they
are divided into two graups of 4 each.
Each
in group A is
of certain poisorawhich is expected to
mous e
Jiven a
dose
Kill one
in four; each mouse in group B is
given
a dose of certain poison 'b which is
expected to Kill one
in two. Show that
nevertheless, there may be fewer deaths in
group B than in
group A and find the
probability of this happening.
Transcribed Image Text:Eight mice are selected at rand on and they are divided into two graups of 4 each. Each in group A is of certain poisorawhich is expected to mous e Jiven a dose Kill one in four; each mouse in group B is given a dose of certain poison 'b which is expected to Kill one in two. Show that nevertheless, there may be fewer deaths in group B than in group A and find the probability of this happening.
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