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of the first 11 questions on a test, a student must answer 7. of the second 5 questions, the student must answer 3. in how many ways can this be done

Sagot :

The number of ways the student answer the questions = 3300

In this question, we have been given that out of the first 11 questions on a test, a student must answer 7. of the second 5 questions, the student must answer 3.

We need to find the number of ways the student answer the questions.

of the first 11 questions on a test, a student must answer 7.

Let n1 be the number of ways this can be done.

n1 = 11C7

n1 = 330

of the second 5 questions, the student must answer 3.

Let n2 be the number of ways this can be done.

n2 = 5C3

n2 = 10

So, the required combination would be,

n = n1 * n2

n = 330 * 10

n = 3300

Therefore, the number of ways the student answer the questions = 3300

Learn more about the combination here:

https://brainly.com/question/28720645

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