Question 9 • Advanced Algebra: Concepts and Connections
Which of the following z -values, standard deviations, and sample sizes produce a margin of error of 0 point 9 5 ? ME is equal to the fraction with numerator z times s and denominator square root of n
Answer
A
z is equal to 2 point 1 4 ; s is equal to 16 ; n is equal to 9
B
z is equal to 2 point 1 4 ; s is equal to 16 ; n is equal to 81
C
z is equal to 2 point 1 4 ; s is equal to 4 ; n is equal to 9
D
z is equal to 2 point 1 4 ; s is equal to 4 ; n is equal to 81