Mathematics, 22.01.2021 20:20 rubal6
Telephone inquiries of 100 IRS "customers" are monitored daily at random. Incidents of incorrect information or other nonconformities (such as impoliteness to customers) are recorded. The data for last week follow: Day 1 2 3 4 5 No. of Nonconformities 8 8 23 19 15 a)Using 3 standard deviations, the c-chart for the nonconformities is: UCLc = nonconformities (round your response to two decimal places).LCLc = nonconformities (round your response to two decimal places and if your answer is negative, enter this value as 0).b)b) According to c-chart, there (is significant/Not significant) variation in the incidents of incorrect information given out by the IRS telephone operators
Answers: 3
Mathematics, 21.06.2019 21:20, pampam49
An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.
Answers: 2
Mathematics, 21.06.2019 22:00, sarahnd6907
Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota
Answers: 2
Mathematics, 21.06.2019 22:00, kiiya33
Select the correct answer from each drop-down menu. consider the following polynomials equations. 3x^2(x-1) and -3x^3+ 4x^2-2x+1 perform each operation and determine if the result is a polynomial. is the result of a + b a polynomial? yes or no is the result of a - b a polynomial? yes or no is the result of a · b a polynomial? yes or no
Answers: 1
Telephone inquiries of 100 IRS "customers" are monitored daily at random. Incidents of incorrect inf...
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