Answer:
UCL (x bar) = 424
LCL (x bar) = 376
Step-by-step explanation:
Given:
Average calories contained, μ = 400
Standard deviation, σ = 30 calories
Sample size, n = 25
a) UCL (x bar) =
On substituting the respective values, we get
UCL (x bar) = 
or
UCL (x bar) = 424
Similarly,
LCL (x bar) =
On substituting the respective values, we get
LCL (x bar) = 
or
LCL (x bar) = 376
Answer: 64.6
Step-by-step explanation:
If you add up 63.7 and 65.4 and then divide by 2 you get 64.6.
Answer:
67
Step-by-step explanation:
Answer:
i need help please with my maths
Step-by-step explanation:
Answer:
The length on the blueprint for an actual length of 65 feet is 
Step-by-step explanation:
Given:
Scale of the blueprint is 
Length of one side of the house is 65 feet.
Now, as per given data;
1 foot in actual =
on the blueprint.
Therefore, using unitary method, we can find find the length on the blueprint for an actual length of 65 feet by multiplying 65 and
. Therefore,
Length on the blueprint for 65 feet is given as:

Therefore, the length on the blueprint for an actual length of 65 feet is 