[إلتزم حدك]

2) refer to page number 361 and solve question number 66(a and b). Refer to variable "bedroom" find the proportion for 3 bedrooms, and construct the 93 % confidence intervals for individuals who have 3 bedrooms. 3) refer to page number 361 and solve question number 68(a ).

ممكن حل الفقرتين هذي ^_^