A model scale is 1 in. = 1.5 ft.
2 answers:
You might be interested in
Answer:
Proportion of the trees will have diameters between 2 and 6 inches = 0.8164
Step-by-step explanation:
Given -
Mean = 4
Standard deviation = 1.5
Let X be the diameter of tree
proportion of the trees will have diameters between 2 and 6 inches =
=
= Put [
]
=
=
= .9082 - .0918
= 0.8164
Break this problem down first. You have two lines each with length of 5. You also have two halves of a circle, combine them to get a full circle with a radius of 2. The formula to find the perimeter of a circle is
and this gives a perimeter of 12.566 for the circle. Add this to your sides and you get a total of 22.566 which is answer B
and this gives a perimeter of 12.566 for the circle. Add this to your sides and you get a total of 22.566 which is answer B