In a study of laptop prices, the mean price is $\mathrm{\backslash (}1,200$ with a standard deviation of $\mathrm{\backslash )}180$. The prices follow a bell-shaped distribution. Is a laptop priced at $\$870$ unusual? Explain your reasoning.

No, because $\$870$ is within $2$ standard deviations of the mean

No, because $\$870$ is more than $2$ standard deviations below the mean

Yes, because $\$870$ is within $2$ standard deviations of the mean

Yes, because $\$870$ is more than $2$ standard deviations below the mean