The answer for the question is 21
Answer:
H0 : μ ≥ 350
H1 : μ < 350
Step-by-step explanation:
It is claimed that the mean is atleast 350 psi ;
10 such pipes were experimentally sampled ;
Here, the null hypothesis is the claim ; this means that the alternative hypothesis will be the opposite of the claim.
The hypothesis
H0 : μ ≥ 350
H1 : μ < 350
Answer:
x= 1÷4
Step-by-step explanation:
2x - 6x + 1 =0
-4x + 1= 0
-4x = -1
Yes it is just like a+b = b+a
Answer:
The second option
Step-by-step explanation:
3,400 is the cost of a large and it is represented by y. 1,800 is the cost of the smaller and is represented by x. The cost has to be less than 64,000.