A physiology professor assigns letter grades on a test according to the following scheme: A: top 14% of scores B: Scores below the top 14% and above the bottom 65% C: scores below the top 35% and above the bottom 23% D: scores below the top 77% and above the bottom 5% F: bottom 5% of scores Scores on the test are normally distributed with a mean of 66.9 and a standard deviation of 7.9. Find the numerical limits for a B grade. Round your answers to the nearest whole number

a variable is any characteristics, number, or quantity that can be measured or counted. a variable may also be called a data item. hope i !

the circumference of a circle is, 10.676 cm.

step-by-step explanation:

the formula for circumference of a circle is given by:

where

c is the circumference of a circle and

d is the diameter of a circle.

given: diameter(d) = 3.4 cm and use

substitute these values in [1] we get;

cm

therefore, the circumference of a circle is, 10.676 cm

2/3=10/15

1/5=3/15

10+3=13/15

2 13/15 is the answer