Beagles – Weights of full-grown female beagles follow approximately a normal distribution with a mean weight of

Beagles – Weights of full-grown female beagles follow approximately a normal distribution with a mean weight of 20 pounds and a standard deviation of 3 pounds.

A local vet states that a dog is considered overweight if they place in the top 15% of the weight distribution for their breed.  What weight is the cut-off for a full-grown female beagle to be considered overweight?  Show your work, which may include an upload of a sketch, and clearly denote your final answer including units

A full-grown female beagle was brought in for an exam and found to weigh 15 pounds. Based on the provided weight model, what proportion of full-grown female beagles weigh less than 15 pounds? show work