Pentru srbtorirea unui eveniment, o grdini prime_te de la un sponsor 320 de bomboane de ciocolat, 240 de portocale _i 200 de cri de colorat. are este cel mai mare numr de pachete identice, care se pot face cu aceste daruri, C incât fiecare pachet sã conin fiecare dintre produsele primite? dte bomboane, câte portocale si câte cri sunt într-un pachet?

Arandom sample of 15 observations is used to estimate the population mean. the sample mean and the standard deviation are calculated as 172 and 63, respectively. assume that the population is normally distributed. a. with 99 confidence, what is the margin of error for the estimation of the population mean? b. construct the 99% confidence interval for the population mean. c. construct the 95% confidence interval for the population mean. d. construct the 83% confidence interval for the population mean. hint: you need to use excel function =t.inv.2t to find the value of t for the interval calculation.