The answer is 7.9 hope this helps.
1) At 95% Confidence interval the critical value is z0.025= 1.96 Margin of error = 0.02 Or, z0.025* sqrt(p(1 - p)/n) = 0.02 Or, 1.96 * sqr
Answer:
4x^2+32x+64
Step-by-step explanation:
This is what I got:
60/50 = X/70
70x60/59 = X
X = 84