Apollster wants to minimize the effect the order of the question has on a person response to a survey. how many different surveys are required to cover all posible arrangements if there are 6 questions on the survey a. 120 b.36 c.720 d. 6

Correct choice is C

Step-by-step explanation:

If there are 6 questions on the survey, then first question can be chosen 1 from 6 - in 6 different ways. After choosing first question, 5 questions remain, second question can be chosen 1 from 5 - in 5 different ways. After choosing second question, 4 questions remain, third question can be chosen 1 from 4 - in 4 different ways. After choosing third question, 3 questions remain, fourth question can be chosen 1 from 3 - in 3 different ways. After choosing fourth question, 2 questions remain, fifth question can be chosen 1 from 2 - in 2 different ways and last sixth question is defined in 1 way.

Using the product rule, you get

different arrangements.

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