Answer:
Standard deviation of the length of granola bars produced at Bernie's Bars is 0.50
Step-by-step explanation:
We are given the following information in the question:
Formula:

where,
μ is the mean and σ is the standard deviation.
Putting the values we get:

Solving the two obtained equations:
Subtracting the two obtained equation, we have:

Hence, standard deviation of the length of granola bars produced at Bernie's Bars is 0.50
A ratio is the quantitative relation between two amounts showing the number of times one value contains or is contained within the other.
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