5 times the sum of x and 6
1 answer:
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Answer: (0.4247,0.7753)
Step-by-step explanation:
Given : Sample size : n=30
Number of people graduated from a registered welding course =18
The probability of people graduated from a registered welding course :
Significance level :
Critical value :
A confidence interval for population proportion is given by :-
Hence, the 95 percent confidence interval for the proportion of all welders who graduated from a registered welding course = (0.4247,0.7753)
Answer:
the parameter equation of given line is
x= 1+t
y=0+ 2t
z= 9+t
( note: in plane no signs given so we assume + so x+2y+z)
Step-by-step explanation:
A vector perpendicular to the plane a x + b y + c z + d = 0 is given by ⟨ a , b , c ⟩
So a vector perpendicular to the plane x +2 y + z − = 0 is ⟨ 1 , 2 , 1 ⟩
The parametric equation of a line through and parallel to the vector ⟨
a
,
b
,
c
⟩ is
so the parametric equation of our line is
The vector form of the line is