A distance $AB$ is observed repeatedly using the

same equipment and procedures, and the results, in

meters, are listed below:

$85\mathrm{.}401,85\mathrm{.}400,85\mathrm{.}402,85\mathrm{.}396,85\mathrm{.}401,85\mathrm{.}396,$

$85\mathrm{.}401,85\mathrm{.}405,$ and $85\mathrm{.}404.$

Part A

Determine the range within which the observations should fall $90\%$ of the time.

Express your answers in meters to six significant figures separated by a comma.

Lower bound, Upper bound $=$

Incorrect; Try Again

Part B Complete previous part$($s$)$

Part C

Determine the range within which the observations should fall $95\%$ of the time.

Express your answers in meters to six significant figures separated by a comma.

Lower bound, Upper bound $=$

m