$34 divided by 4 = $8.5 per hour.
$8.5 Times 10 hours = $85
So she would earn $85
Answer:
Null hypothesis is rejected. Standard deviation is > 8 miles per hour
Step-by-step explanation:
σ [Population standard deviation] = 8 , s [sample standard deviation] = s
n [no of items] = 8
H0 [Null] : σ = 8 ; H1 [Alternate - Right Tail] : σ > 8
χ2 = (n - 1) . s^2 / σ^2
= 49 x (10.5)^2 / 82 = 5402.25 / 64
χ2 = 84.410
df [degree of freedom] = n -1 = 50 - 1 = 49
P value (χ^2 49 > 84.410) = 0.00125
p = 0.0013
p < α ie 0.05
So, H0 is rejected
Hence we state that standard deviation is > 8 miles per hpur
Answer:
From the looks of the graph, it looks like the answer will be Letter C. (The last graph).
Step-by-step explanation:
Graph the parabola using the direction, vertex, focus, and axis of symmetry.
Direction: Opens Down
Vertex: (
−
3
/4
, 41
/8
)
Focus: (
−
3
/4
, 5
)
Axis of Symmetry: x
=
−
3
/4
Directrix: y
=
21
/4
x y
−
3 −
5
−
2 2
−
3 4
41 8
0 4
1 −
1
Answer:
1+1=2 i think
Step-by-step explanation:
