Question

Type the correct answer in the box. Use numerals instead of words. If necessary, use / for the fraction bar(s). Viewer's Age Group Excellent Good Average Poor Marginal Total 16–25 52 42 12 7 113 26–35 33 50 5 9 97 36–45 58 12 28 34 132 46–55 25 17 22 12 76 56+ 12 5 3 8 28 Marginal Total 180 126 70 70 446 Note: A rating of good or excellent means the audience liked the movie, while a rating of poor means the audience disliked the movie. A movie producer conducted a survey after a preview screening of her new movie to find out how the film would be received by viewers from different age groups. The table shows the numbers of viewers in different age groups who rated the film excellent, good, average, and poor. Out of the total respondents, the percentage of respondents from the 46–55 age group who rated the film excellent is %. Write your answer up to two decimal places.

Answer 1

Answer:

The answer is  a = 7, b = 9, c = 4

Step-by-step explanation:

Rational exponents works as follow: considering , the numerator has the role of the usual, whole-number exponents, while the denominator is the order of the root we want to extract. So, again, the writing  means that we want to consider the c-th root of , i.e.

So, in your case, the exponent is nine over four. It means that you want to consider the fourth root of , hence the answer.

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