سؤال في نماذج الإحصاء - ؟

[Abdullah Al-juhani]

السلام عليكم ورحمة الله وبركاته

معليش في أسئلة معقدتني شوي حليتها في أول نموذج
جيت ثاني نموذج جات وحده زيها خبصت الموضوع

السؤال

At local university 33.3% of incoming first-year students have computers. If 5 students are selected ar random, the probability that at least one has a computer is ...
A) 0.984 B) 0.996 C) 0.868 D) 0.998

السؤال الثاني

A survey found that 2 out of 8 students say they like statistics course. If 10 are selected at reandom, find the probability that exactly 4 would have liked the statistics course.
A) 0.03 B) 0.146 C) 0.111 D) 0.113

اللي عنده فكره عنها ما راح يقصر ان شاء الله