2. How many different arrangements can be made by using all the letters of the word MATHEMATICS ? 3. From 4 red, 5 green and 6 yellow apples, how many selections of 9 apples are possible if 3 of each kind are to be selected? 4. A shipment of 12 Apple mobile phones contains 3 defective phones. In how many ways can a store purchase 5 of these phones and receive at least 2 defective phones?
2. How many different arrangements can be made by using all the letters of the word MATHEMATICS ? 3. From 4 red, 5 green and 6 yellow apples, how many selections of 9 apples are possible if 3 of each kind are to be selected? 4. A shipment of 12 Apple mobile phones contains 3 defective phones. In how many ways can a store purchase 5 of these phones and receive at least 2 defective phones?
Chapter9: Sequences, Probability And Counting Theory
Section9.5: Counting Principles
Problem 40SE: A family consisting of 2 parents and 3 children is to pose for a picture with 2 family members in...
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kindly answer 2-4 please. thank you.
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