Which set of side lengths forms a unique triangle? (A)5 cm, 5 cm, 10 cm

(B)11 cm, 14 cm, 17 cm

(C)109 cm, 214 cm, 414 cm

(D)8 cm, 15 cm, 26 cm

Sales personnel for skillings distributors submit weekly reports listing the customer contacts made during the week. a sample of 55 weekly reports showed a sample mean of 17.5 customer contacts per week. the sample standard deviation was 5.8. provide 90% and 95% confidence intervals for the population mean number of weekly customer contacts for the sales personnel. a. 90% confidence interval, to 2 decimals b. 95% confidence interval, to 2 decimals