Answer:
A) Hertz: 42x+32=y
Enterprise: y=46x+24
B) Hertz is less by 16 $; 300$ minus 386$
C)16$
D) 9$
Step-by-step explanation:
Answer:
265
Step-by-step explanation:
It's a cube, so all sides are the same, so 6.5 x 6.5 x 6.5
This equals 264.625. They want 3 significant figures, so u round to the nearest whole number. Significant numbers are whole numbers. This becomes, 265.
Answer:
The 95% confidence interval is "87.94, 91.86".
Step-by-step explanation:
The given values are:
Sample batches,
n = 25
Sample mean concentration,
= 89.9 mg
Amount of chemical,
σ = 5
α = 0.05
The critical value from Z table will be:
=
=
=
Now,
The confidence interval will be:
=
On substituting the values, we get
=
=
=
Lower limit will be:
=
=
Upper limit will be:
=
=
Answer:
24
Step-by-step explanation: