Answer:
jjjh;kn jhuj hnpjinp; inj in
Step-by-step explanation:
Answer:
your answer should be 200%
Answer: 68
Step-by-step explanation:
Formula for sample size when prior estimate of population proportion (p) is available: 
, where z*= critical-value.
E= Margin of error.
Let p be the population proportion of trees are infected with the citrus red mite.
As per given , we have

E= ± 0.08
The critical z-value corresponding to 90% confidence level = z*=1.645
Substitute all the values in the above formula , we get
Required sample size :

[Rounded to next integer.]
Thus, the minimum sample size should be taken =68
One decimeter equals 10 centimeters. So 3 decimeters equals 30 centimeters. They are equal.