Suppose there is an estate sale featuring many items sold at different prices. The mean selling price of the items is 75 dollars, and the standard deviation is 20. A piece of costume jewelry is priced at 15 dollars. Which of the following statements is true?

Select the correct answer below:

The price of the costume jewelry is 6 standard deviations to the right of the mean.

The price of the costume jewelry is 3 standard deviations to the right of the mean.

The price of the costume jewelry is 6 standard deviations to the left of the mean.

The price of the costume jewelry is 3 standard deviations to the left of the mean.