calculate a $95\%$ confidence interval for the proportion of people who prefer synsodyn over others. Customer Preference $1$ Colgate $2$ Mentadent $3$ Crest $4$ Colgate $5$ Aquafresh $6$ Others $7$ Others $8$ Aquafresh $9$ Crest $10$ Sensodyn $11$ Crest $12$ Crest $13$ Colgate $14$ Colgate $15$ Others $16$ Colgate $17$ Crest $18$ Colgate $19$ Others $20$ Colgate $21$ Sensodyn $22$ Aquafresh $23$ Crest $24$ Crest $25$ Mentadent $26$ Others $27$ Crest $28$ Mentadent $29$ Sensodyn $30$ Colgate $31$ Sensodyn $32$ Crest $33$ Mentadent $34$ Sensodyn $35$ Crest $36$ Sensodyn $37$ Sensodyn $38$ Sensodyn $39$ Crest $40$ Mentadent $41$ Crest $42$ Colgate $43$ Aquafresh $44$ Crest $45$ Others $46$ Sensodyn $47$ Mentadent $48$ Sensodyn $49$ Mentadent $50$ Crest $51$ Others $52$ Sensodyn $53$ Crest $54$ Others $55$ Crest $56$ Crest $57$ Mentadent $58$ Others $59$ Colgate $60$ Mentadent $61$ Crest $62$ Mentadent $63$ Sensodyn $64$ Colgate $65$ Crest $66$ Crest $67$ Colgate $68$ Others $69$ Colgate $70$ Crest $71$ Mentadent $72$ Crest $73$ Colgate $74$ Colgate $75$ Crest $76$ Crest $77$ Crest $78$ Aquafresh $79$ Aquafresh $80$ Crest $81$ Colgate $82$ Crest $83$ Others $84$ Colgate $85$ Crest $86$ Sensodyn $87$ Crest $88$ Sensodyn $89$ Crest $90$ Crest $91$ Mentadent $92$ Mentadent $93$ Others $94$ Sensodyn $95$ Colgate $96$ Crest $97$ Crest $98$ Others $99$ Colgate $100$ Mentadent $101$ Others $102$ Aquafresh $103$ Colgate $104$ Sensodyn $105$ Mentadent $106$ Crest $107$ Mentadent $108$ Colgate $109$ Colgate $110$ Aquafresh $111$ Crest $112$ Crest $113$ Aquafresh $114$ Crest $115$ Others $116$ Aquafresh $117$ Others $118$ Aquafresh $119$ Sensodyn $120$ Crest $121$ Crest $122$ Crest $123$ Colgate $124$ Sensodyn $125$ Sensodyn $126$ Aquafresh $127$ Others $128$ Colgate $129$ Crest $130$ Mentadent $131$ Others $132$ Others $133$ Crest $134$ Others $135$ Aquafresh $136$ Others $137$ Others $138$ Crest $139$ Mentadent $140$ Sensodyn $141$ Crest $142$ Aquafresh $143$ Crest $144$ Mentadent $145$ Mentadent $146$ Crest $147$ Sensodyn $148$ Sensodyn $149$ Sensodyn $150$ Crest $151$ Colgate $152$ Aquafresh $153$ Crest $154$ Others $155$ Mentadent $156$ Crest $157$ Others $158$ Crest $159$ Mentadent $160$ Crest $161$ Crest $162$ Sensodyn $163$ Crest $164$ Sensodyn $165$ Mentadent $166$ Colgate $167$ Others $168$ Others $169$ Others $170$ Others $171$ Crest $172$ Others $173$ Mentadent $174$ Colgate $175$ Crest $176$ Sensodyn $177$ Mentadent $178$ Others $179$ Others $180$ Mentadent $181$ Crest $182$ Mentadent $183$ Crest $184$ Colgate $185$ Colgate $186$ Aquafresh $187$ Crest $188$ Others $189$ Others $190$ Others $191$ Sensodyn $192$ Colgate $193$ Crest $194$ Aquafresh $195$ Aquafresh $196$ Sensodyn $197$ Colgate $198$ Sensodyn $199$ Others $200$ Crest