Suppose that x is normally distributed with a mean of 20 and a standard deviation of 5. What number separates the lower 15% from the rest of the scores? * 15 14.818 14.2 14

80x^8−68x^6+16^5−20x^4−4x^3+8x^2

hope i'm right lol

1. 2

2. 11

3. 5

4. 6

5. 7

6. 5

7. -1

8. 1

step-by-step explanation:

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