Question

question 18 (4 points) in a survey of 100 randomly selected dentists, 28 dentists recommended pearly brand over the other 5 toothpastes. predict how many dentists out of 850 would recommend pearly brand toothpaste. upload a copy of your handwritten work for credit.

Explanation:

Step1: Calculate the proportion

The proportion of dentists who recommend Pearly brand in the survey is $\frac{28}{100}$.

Step2: Predict the number

To predict the number of dentists out of 850 who would recommend Pearly brand, we multiply the proportion by 850. So the number is $\frac{28}{100}\times850$.

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Answer:

238