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10.10.2019 •
Mathematics
Rosters chicken advertises "lite" chicken with 30% fewer calories than standard chicken. when the process for "lite" chicken breast production is in control, the average chicken breast contains 400 calories, and the standard deviation in caloric content of the chicken breast population is 30 calories. rosters wants to design an x overbar-chart to monitor the caloric content of chicken breasts, where 25 chicken breasts would be chosen at random to form each sample. a) what are the lower and upper control limits for this chart if these limits are chosen to be four standard deviations from the target? upper control limit (ucl subscript x overbar)equals nothing calories (enter your response as an integer).
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Ответ:
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
Ответ:
you have to sell 36/0.75= 48 newspapers