An average of 6 hours per day
Answer:
1/125
Step-by-step explanation:
=1/5*5*5
=1/5^3
=1/125
On a number line,
negative means go left
positive means go right
-4 means go 4 units left of zero
-6 means another 6 units left of 0
4+6=10
that means 10 total units left or -10
Answer:
x=7
Step-by-step explanation:
- 4(x-2) = 2x+3(x-5)
- 4x-8 = 2x+3x-15
- 4x-8 = 5x -15
- -x = -7
- x = 7
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