Mary, Jimmy, Jackson, Susan and Jeff are rank from #1 to #5 in playing ping pong in a class. Teacher wants to finalize the best player and arrange some games to be played each between two players. The rules are once a player lost a game then no more completion for the player, the other rule is a player always plays with the nearest rank player who is still in the competition and once the competition starts the rank never get changed.

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A: No. of students in a class for field trip(n)=16No. of students that an instructor can choose(r)=7

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A:

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A: In a box 20% of balls are white, 33% of balls are blue, 27% of balls are red and the rest are green.

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A: group 1 n1 = 6x1= 521.4 secondsgroup 2n2 = 8x2 = 502.6 secondsfinal average = ?

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A:

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A:

Q: Two groups are running a race. The first group is made up of 6 students and the second group is made…

A: group 1 n1 = 6x1 = 521.4group 2n2 = 8x2 = 502.6find average (x) = ?

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A: The answer is attached below,

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A:

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A:

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A: Let her lowest score be x and the other scores be a,b,c,d,e.

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A:

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A:

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A: Solution is given below: