Question
In: Math
A) If four babies are born in a given hospital on the same day, what is...
A) If four babies are born in a given hospital on the
same day, what is the probability that all four will be boys?
B) if four babies are born in a given hospital on the same day,
what is the probability that 3 will be girls and 1 will be a
boy?
C) You flip a coin twice what is the probability that it lands on
heads once and tails one?
Solutions
Expert Solution
A) The probability of a baby being a boy = 1/2 = 0.5
Let 
be
the event of 
baby being a boy.
Probability that all four babies will be boys = 
= 
= 0.0625
B) Let 
be
the event of
baby being a girl.
The probability of a baby being a girl = 1/2 = 0.5
Probability that 3 will be girls and 1 will be a boy = 
= 
= 0.25
C) The probability of getting head = Probaility of getting tail = 1/2 =0.5
Let 
be
the event of
toss being head.
Let 
be
the event of
toss being a tail.
Probability that it lands on heads once and tails once =
= 
= 0.5
milcah answered 1 year agoRelated Solutions
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