Find the critical value z Subscript c necessary to form a confidence interval at the level of confidence shown below. C=0.86

“ a line segment that has the endpoints on the circle and passes through the midpoint is called the diameter. the diameter is twice the size of the radius. a line segment that has its endpoints on the circular border but does not pass through the midpoint is called a chord. a circle is the same as 360 small circle up the number 0 . i hope this .

the answer is a. 72. but i cant answer with less than 20 characters so here's some random text talking about it.

your answer would be b