Answer:
the first one and the third one
Step-by-step explanation:
Answer:
(1/4)x=2 1/2
Step-by-step explanation:
It is 2.5 gal. of water and 0.25 gal. of water per plant.
It could also be x=(1/4)/(2 1/2)
Answer:
The t distribution is used, because we have the standard deviation for the sample.
Step-by-step explanation:
When to use the z or the t distribution?
When we have the standard deviation for the population, we use the z distribution.
When we have the standard deviation for the sample, we use the t distribution.
In this question:
We have the standard deviation for the sample, which means that the t distribution is used.
Answer:
8.1
Step-by-step explanation:
65% of 39 is 60 the answer is 60
