data analysis

A study of 100 students revealed that 72 of them use their phones for 5 points online class and that 52 of them use LaptooslPC. Which of the choices could not be the number of students who uses both smartohones and LaptopIPC for online class? A survey was conducted on an engineering class to know which online 5 points platform they like best. The result is shown in the picture attached. How many were there in the engineering class? Google Classroom 55 Google Classroom & MS Teams 32 MS Teams 50 Google Classroom & Edmodo 28 Edmodo 51 MS Teams & Edmodo 25 All three Platforms 10 O None of the above 92 ( 73 O 81 O 104A survey was conducted involving 1,000 Filipinos on COVID-19 vaccine 5 points preference, it was found that 120 prefer BioNTech only, 200 prefer AstraZeneca only, 150 prefer Sinovac only, 370 prefer either BioNTech or AstraZeneca but not Sinovac, 450 prefer AstraZeneca or Sinovac but not BioNTech and 370 prefer either Sinovac or BioNTech but not AstraZeneca. How many Filipinos have no COVID-19 vaccine preference? O 180 O 230 O 280 O 130An academic department has just completed voting by secret ballot for a 5 points department head. The ballot box contains four slips with votes for candidate A and three slips with votes for candidate B. Suppose these slips are removed from the box one by one. Suppose a running tally is kept as slips are removed. For what outcomes does A remain ahead of B throughout the tally? O {ABABABA, ABBABAA, ABBBAAA, AABABAB, AABAABB, AAABBAB, AAABABB, AAAABBB} O {ABABABA, AABABAB, AABAABB, AAABBAB, AAABABB, AAAABBB} O {AABABAB, AABAABB, AAABBAB, AAABABB, AAAABBB} O {ABABABA, ABBABAA, AABABAB, AABAABB, AAABBAB, AAABABB, AAAABBB)An academic department has just completed voting by secret ballot for a 5 points department head. The ballot box contains four slips with votes for candidate A and three slips with votes for candidate B. Suppose these slips are removed from the box one by one. List all possible outcomes. S = {BBBAAAA, BBABAAA, BBAABAA, BBAAABA, BBAAAAB, BAABABA, BAABAAB, BAAABBA, BABBAAA, BABABAA, BAAABAB, BAAAABB, ABABABA, ABABAAB, O AABBBAA, AABBABA, AABBAAB, AABABBA, AABABAB, ABBABAA, ABBAABA, BAABBAA, AAAABBB, ABAABBA, ABAABAB, ABAAABB, BABAABA, BABAAAB, ABBBAAA, ABBAAAB, AABAABB, AAABBBA, AAABBAB, AAABABB, ABABBAA} S = {BBBAAAA, BBABAAA, BBAABAA, BBAAABA, BBAAAAB, BAABABA, BAAABBA, BABBAAA, BABABAA, BAAABAB, BAAAABB, ABABABA, ABABAAB, AABBBAA, O AABBABA, AABBAAB, AABABBA, AABABAB, ABBABAA, ABBAABA, BAABBAA, AAAABBB, ABAABBA, ABAABAB, ABAAABB, BABAABA, BABAAAB, ABBBAAA, ABBAAAB, AABAABB, AAABBBA, AAABBAB, AAABABB, ABABBAA} S = {BBBAAAA, BBABAAA, BBAABAA, BBAAABA, BBAAAAB, BAABABA, BAABAAB, BAAABBA, BABBAAA, BABABAA, BAAABAB, BAAAABB, BBAAAAB, ABABABA, ABABAAB, AABBBAA, AABBABA, AABBAAB, AABABBA, AABABAB, ABBABAA, O ABBAABA, BAABBAA, AAAABBB, ABAABBA, ABAABAB, ABAAABB, BABAABA, BABAAAB, ABBBAAA, ABBAAAB, AABAABB, AAABBBA, AAABBAB, AAABABB, ABABBAA} All of the above