Mathematics, 05.07.2020 14:01 imsatyam9365
A national survey of companies included a question that asked whether the company had at least one bilingual telephone operator. The sample results of 90 companies (Y denotes that the company does have at least one bilingual operator; N denotes that it does not) are listed in the Excel file Bilingual. xlsx. Use the information to estimate with 80% confidence the proportion of the population that does have at least one bilingual operator. Round LCL and UCL values to 3 decimal places. Data file: Bilingual. xlsxPreview the document Group of answer choices LCL = 0.270, and UCL = 0.397 LCL = 0.252, and UCL = 0.415 LCL = 0.236, and UCL = 0.431 LCL = 0.205, and UCL = 0.461
Answers: 1
Mathematics, 21.06.2019 21:20
If two angles of a triangle have equal measures and the third angle measures 90°, what are the angle measures of the triangle? a. 60°, 60°, 60° b. 45°, 90°, 90° c. 30°, 30°, 90° d. 45°, 45°, 90°
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Mathematics, 21.06.2019 23:00
The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?
Answers: 1
Mathematics, 21.06.2019 23:10
Which best describes the function on the graph? direct variation; k = −2 direct variation; k = -1/2 inverse variation; k = −2 inverse variation; k = -1/2
Answers: 2
A national survey of companies included a question that asked whether the company had at least one b...
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