Answer: 0
Step-by-step explanation: you just have to divide a little bit then you just multiply.
Answer:
the answer is x = -6 and x =5
just took the test
When you substitute those numbers in and solve the answer is 34.5
Answer:
: mu1-mu2=0
: mu1-mu2>0
Step-by-step explanation:
Let mu1 be the mean amount of time (in hours) per domestic car repair
and mu2 be the mean amount of time (in hours) per foreign car repair
According to the claim of the automobile technician, the mean amount of time (in hours) per domestic car repair is <em>more than</em> that of foreign cars.
Then <em>null and alternative hypotheses</em> can be stated in <em>symbolic</em> form as
: mu1-mu2=0
: mu1-mu2>0