Please solve 2d)! 2. Express each of the following using factorial notation.a) The number of seven-digit numbers in which no digit appears more than once.b) The number of "words" that can be formed using all the letters of PROBLEMS.c) The number of choices of three witch costumes from a wardrobe of eight such costumes.d) The number of inspection teams of two mechanics and three supervisors chosen from sevenmechanics and five supervisors.

2. d) The provided information is as follows:The total number of the mechanism is 7.The total number…

Answered: d) The number of inspection teams of…

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter9: Counting And Probability

Section9.1: Counting

Problem 92E: DISCUSS: Complementary Combinations Without performing any calculations, explain in words Why the...

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DISCUSS: Complementary Combinations Without performing any calculations, explain in words Why the number of ways of choosing two objects from ten objects is the same as the number of ways of choosing eight Objects from ten objects. In explain Why c(n,r)=c(n,nr)

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d) The number of inspection teams of two mechanics and three supervisors chosen from seven mechanics and five supervisors.