Answer:
The z-distribution should be used for this problem.
Step-by-step explanation:
The population distribution is assumed to be normal. Which distribution to use?
If we have the standard deviation for the sample, we use the t-distribution.
If we use the standard deviation for the population, we use the z-distribution.
There is a known standard deviation of 2.2 minutes.
This means that 2.2 is the population standard deviation, and thus, the z-distribution should be used for this problem.
Answer
pay attention in class
Step-by-step explanation:
dont go online looking for answers
Answer:
ugh should i drop out
Step-by-step explanation:
Answer:
1quart 4cups =8quatcups
Step-by-step explanation:
thanks:)
Answer:
A
Step-by-step explanation:
I hope this helps and sorry if I'm wrong!