Answer:
y=4x+7
Step-by-step explanation:
Answer:
-0.462
Step-by-step explanation:
The null hypothesis is:
The alternate hypotesis is:
Our test statistic is:
In which X is the sample mean, is the population mean(the null hypothesis), is s is the standard deviation of the sample.
In this problem:
So
So the correct answer is:
-0.462
Answer:
1.2
Step-by-step explanation:
The fraction answer is 6/5 , 1 1/5
Answer:
11:30
Step-by-step explanation:
You have to find the LCM (lowest common multiple) and it is:
60
60 minutes is equal to 1 hour, so they'll bark together at 11:30