Answer the following problems: 1) A dance instructor asks each student to do 4 out of the 10 dance routines. Of the 10 dance routines, 2 are easy, 5 are moderately difficult and 3 are difficult. In how many ways can a student select each of the following for the 4 dance routines? a. 4 moderately difficult routines b. 2 moderately difficult and 2 difficult routines c. 1 easy and 3 difficult routines

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Activity 6.
Answer the following problems:
1) A dance instructor asks each student to do 4 out of the 10
dance routines. Of the 10 dance routines, 2 are easy, 5 are
moderately difficult and 3 are difficult. In how many ways can a
student select each of the following for the 4 dance routines?
a. 4 moderately difficult routines
b. 2 moderately difficult and 2 difficult routines
c. 1 easy and 3 difficult routines
2) From a deck of 52 playing cards, 5 cards are to be drawn.
How many sets of 5 cards are possible if:
a. there is no restriction?
b. there are 2 aces and 3 jacks?
c. all cards are black?
d. all cards are diamonds?
e. there are 3 face-cards, 1 king, and 1 spade?
Transcribed Image Text:Activity 6. Answer the following problems: 1) A dance instructor asks each student to do 4 out of the 10 dance routines. Of the 10 dance routines, 2 are easy, 5 are moderately difficult and 3 are difficult. In how many ways can a student select each of the following for the 4 dance routines? a. 4 moderately difficult routines b. 2 moderately difficult and 2 difficult routines c. 1 easy and 3 difficult routines 2) From a deck of 52 playing cards, 5 cards are to be drawn. How many sets of 5 cards are possible if: a. there is no restriction? b. there are 2 aces and 3 jacks? c. all cards are black? d. all cards are diamonds? e. there are 3 face-cards, 1 king, and 1 spade?
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