Phat1 = 9/142
Phat 2 = 5/268
Phat 3 14/410
Test statistics = (Phat 1 - Phat 2) / (Square root of (phat × (1- phat))
times the square root of (1/n1 + 1/n2))
Test statistics = 2.373
P- value = 2× (1- normal cdf (2.373, 0, 1))
= 0.0176
At the level of significance, there is difference between the proportion of drug-resistant wihtin the two states.
The movement in phloem is bidirectional, whereas, in xylem cells, it is unidirectional (upward).
Your question does not make sense
Red Blood Cells would take up 41% of the blood's overall volume.
