The number of people contacted at each level of a phone tree can be
represented by f(x) = 3*, where x represents the level.
what is x when f(x) = 27?
) a. x = 2; at level 2, 27 people will be contacted.
b. x = 24; at level 24, 27 people will be contacted.
o
c. x = 3; at level 3, 27 people will be contacted.
o
d. x = 9; at level 9,27 people will be contacted.

Which of the following are accepted without proof in a logical system? check all that apply.

The fraction of defective integrated circuits produced in a photolithography process is being studied. a random sample of 300 circuits is tested, revealing 17 defectives. (a) calculate a 95% two-sided confidence interval on the fraction of defective circuits produced by this particular tool. round the answers to 4 decimal places. less-than-or-equal-to p less-than-or-equal-to (b) calculate a 95% upper confidence bound on the fraction of defective circuits. round the answer to 4 decimal places. p less-than-or-equal-to

Is of - 4x + 2? a. 3 b. 4 c. 6 d. 5