Mathematics, 13.10.2019 08:30 veronicatrejoaguiler

Atest consists of 20 problems and students are told to answer any 15 of these questions. in how many different ways can they choose the 15 questions?

a. 15,504

b. 20,145

c. 23,670

d. 25,890

Answers: 2

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Atest consists of 20 problems and students are told to answer any 15 of these questions. in how many...