Nur Sima

System of Linear Equations for Vaccination DriveIn a local community of 1.25 million residents, a pandemic has struck and the local health authorities have been battling it for sometime through measures of wearing personal protective equipment and social distancing etc. Now that vaccines have been created and are made available, the pandemic response team  PRT) wants to study the possibilities of implementation. To date, there are 3 vaccines that have been tested and approved by the worl...

Task: 1. The $3 food voucher was given to improve response rate. However, the survey may still be prone to non-response bias. Explain what is non-response bias and why such bias may be present here. (5 marks)2.  State and explain whether the statements below refer to descriptive or inferential statistics.(a) Pharmacy chains in Singapore commented that the demand for health supplements is expected to increase by another 20% next year.(b) In a survey of 1000 working adults, 400 cited busy work...

Question 1: Commuting Time Probability A professor commutes daily from Clementi Station to his office. The avenge time for a one-way trip is 24 minutes. with a standard deviation of 3.8 minutes. Assume the distribution of trip times to be normally distributed.  (a) Compute the probability that a trip will take at least 0.5 hour. If the professor has to be in his office at 8.30 am and he leaves Clementi Station at 8.15 am daily. compute the percentage of the time that he is late for work.&...