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julia-pushkina [17]
3 years ago
11

Five balls, numbered 1, 2, 3, 4, and 5, are placed in an urn. Two balls are randomly selected from the five, and their numbers n

oted. Find the probability distribution for the following: a The largest of the two sampled numbers b The sum of the two sampled numbers
Mathematics
1 answer:
nirvana33 [79]3 years ago
8 0

Answer

given,

five balls numbered 1, 2, 3, 4, and 5.

two balls are drawn randomly

number of ways of selecting two balls = ⁵C₂ = 10 ways

For sample to be of largest number there is two option 4 or 5

so for first section of ball probability will be = \dfrac{2}{5}

now one ball is selected so for the selection of second ball the ball are 4

probability of second ball selection = \dfrac{1}{4}  

a) largest of the two sample

               = \dfrac{2}{5}\times \dfrac{1}{4}

               = \dfrac{1}{10}

               =0.1

b) sum of two sample

               =  \dfrac{2}{5}+\dfrac{1}{4}  

               = \dfrac{13}{20}

               = 0.65

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