Telephone inquiries of 100 IRS "customers" are monitored daily at random by Xiangling Hu. Incidents of incorrect information or other nonconformities (such as impoliteness to customers) are recorded.
The data for last week follow:

Day No. of Nonconformities
1 5
2 10
3 23
4 20
5 15

(a) Using 3 standard deviations, the c-chart for the nonconformities is (Round your response to two decimal places).
(b) According to the c-chart, there variation in the incidents of incorrect information given out by the IRS telephone operators.

Suppose that the u.s. dollars-mexican pesos exchange rate is fixed by the u.s. and mexican governments. assume also that labor is mobile between the united states and mexico due to low transportation costs.which of the following situations is likely to happen as a result of a simultaneous increase in the demand for u.s. goods and decrease in the demand for mexican goods? (pick mexican unemployment rate increases, and the country undergoes bad economic times for a sustained u.s. unemployment rate increases, and the country undergoes bad economic times for a sustained mexican unemployment rate rises at first, but it soon drops as unemployed mexicans move to the united states for mexican unemployment rate rises at first, but then it drops as mexican pesos depreciate against u.s. dollars.