Answer:
29
Step-by-step explanation:
IS the answer ii and iv
and the other is y<5.3
Answer:
Brainly.
Step-by-step explanation:
Do I need to explain this? Brainly helps people with their questions on all subjects.
Answer:
The value is 
Step-by-step explanation:
From the question we are told that
The sample size is n = 20
The sample mean is 
The standard deviation is 
Generally the standard error of the mean is mathematically represented as

=> 
=> 