Please help someone help me! Correct answer only! This assignment is due today.

Mathematics

2 answers:

Mekhanik [1.2K]3 years ago

5 0

Answer:

Probability ≈ 0.0714

Step-by-step explanation:

Consider permutation and combination;

$Total Combinations - 8C4,\\8C4 = 8! / 4! * ( 8 - 4 )!,\\8 * 7 * 6 * 5 / 4!,\\\\Total Combinations = 70,\\\\Combinations of Dance Classes - 5C4,\\5C4 = 5! / 4! * ( 5 - 4 )!,\\5 * 4 * 3 * 2 * 1 / 4 * 3 * 2 * 1,\\\\Dance Classes = 5,\\\\Probability - 5 / 70 = 0.0714,\\Conclusion; Probability = ( About ) 0.0714$

Rzqust [24]3 years ago

4 0

I say it’s 0.0724 or 0.724

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