A distance of 200 ft must be taped in a manner to ensure a standard deviation smaller than ± 0.04 ft. What must be the standard deviation per 100 ft tape length to achieve the desired precision?Express your answer to three significant figures and include appropriate units.

The error in tapping is ±0.02828 ft.

Explanation:

Given that,

Distance = 200 ft

Standard deviation = ±0.04 ft

Length = 100 ft

We need to calculate the number of observation

Using formula of number of observation

Put the value into the formula

We need to calculate the error in tapping

Using formula of error

Put the value into the formula

Hence, The error in tapping is ±0.02828 ft.

are there options? cause you ain’t. real specific

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