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5 Answered Questions for the topic Permutation And Combination Related

Permutation And Combination Related Probability Permutations

06/07/18

A 5 digit number cannot repeat and is made using the digits 0 - 6. What is the probability the number is at least 30,000?

I believe this would be a permutation but I'm not sure how to do it.
Permutation And Combination Related Permutations Combinations

06/07/18

Your iPad has a 4 digit passcode. How many different passcodes are possible, if the digits can repeat?

 I got 210 but my teacher said that was incorrect. What am I doing wrong?
Permutation And Combination Related Permutations Combinations

06/07/18

Three girls and four boys are in a preschool class. Determine the number of ways the children can be arranged if a girl is always the line leader?

This question is in my permutation and combination hw but I'm not sure how to do it.
Permutation And Combination Related

04/26/18

Permutation or combination?

You decide to invest 1000dollars in 1 out of 30 stock randomly every month for a year. After a year how many possible portfolios of stocks could you have?
Permutation And Combination Related

12/20/17

Permutation and combination related

A license plate consist of 3 digits followed by 3 letters. how many different number of license plates can be made if a digit or a number can be used twice?

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