1. A printer manufacturing company claims that its new ink-efficient printer can print an average of 1500 pages of words documents with standard deviation of 60. Thirty-five (35) of these printers...

Extracted text: 1. A printer manufacturing company claims that its new ink-efficient printer can print an average of 1500 pages of words documents with standard deviation of 60. Thirty-five (35) of these printers showed a mean of 1475 pages. Does this support the company's claim? Use 0.05% level of significance. Specify the level of significance. 6. A printer manufacturing company claims that its new ink-efficient printer can print an average of 1500 pages of words documents with standard deviation of 60. Forty-nine (49) of these printers showed a mean of 1475 pages. Does this support the company's claim? Use 0.05% level of significance. Compute the test statistics. O a = 5% O Z = 2.92 O a = 0.5% T= -2.92 a = 0.005% এ = O Z = -2.92 a = 0.05% T= 2.92 2. A printer manufacturing company claims that its new ink-efficient printer can print an average of 1500 pages of words documents with standard deviation of 60. Thirty-five (35) of these printers showed a mean of 1475 pages. Does this support the company's claim? Use 0.05% level of significance. What is the conclusion? 7. A printer manufacturing company claims that its new ink-efficient printer can print an average of 1500 pages of words documents with standard deviation of 60. Thirty-five (35) of these printers showed a mean of 1475 pages. Does this support the company's claim? Use 0.05% level of significance. Find the critical value. There is no sufficient evidence to deny the company's claim. + - 1.28 There is a sufficient evidence to deny the company's claim. - 1.96 There is nothing sufficient evidence to deny the company's claim. O +1.28 There is an sufficient evidence to deny the company's claim. O +-1.96 3. A printer manufacturing company claims that its new ink-efficient printer can print an average of 1500 pages of words documents with standard deviation of 60. Thirty-five (35) of these printers showed a mean of 1475 pages. Does this support the company's claim? Use 0.05% level of significance. 8. A printer manufacturing company claims that its new ink-efficient printer can print an average of 1500 pages of words documents with standard deviation of 60. Thirty-five (35) of these printers showed a mean of 1475 pages. Does this support the company's claim? Use 0.05% level of significance. The problem is under what type of error? Decide the tailed test and test statistics. O Two-tailed Test and Z- test O Type I Error Right-tailed Test and T- test Type II Error Left-tailed Test and Z- test O Type II Error Two-tailed Test and T- test O Type IV Error