times is selected.

$($a$)$ Find the mean $($in minutes$)$ of the sampling distribution of the mean commute time for a sample of $35$ commutes.

${}_{\stackrel{}{x}}=min$

$($b$)$ Find the standard deviation $($in minutes$)$ of the sampling distribution from part $($a$).($Round your answer to three decimal places.$)$

$$

$x$ min

$($c$)$ Describe the shape of the sampling distribution of the mean commute time for a sample of $35$ commutes.

approximately normal

uniform

left skewed

right skewed