Question

apply the empirical rule

\

$$\begin{tabular}{|c|c|c|} \\hline age & mean & standard deviation \\\\ \\hline 7 years & 49 inches & 2 inches \\\\ \\hline \\end{tabular}$$

according to the empirical rule, 68% of 7-year-old children are between inches and inches tall.

Explanation:

Identify the given parameters

Using the Empirical Rule knowledge point

$$
LATEXBLOCK0
$$

Apply the 68% interval calculation

Using the Empirical Rule knowledge point

$$
LATEXBLOCK1
$$

Answer:

According to the empirical rule, 68% of 7-year-old children are between <blank>47</blank> inches and <blank>51</blank> inches tall.