All students must buy the recommended textbook which costs RM1UD each. Their lecturer is investigating if the students can afford to buy the textbook immediately by checking their current amount in hand. A random sample of 40 students from a population of 210 students was randomly selected and the amount of money they have at that time of the study was recorded. Based on the following output, answer the questions below. Table 1 -_m Amount in hand {RM} .5- 170.00 111432 18.563 Table 2 Test iv'alue = 100 Sig. {2 Mean 95% Confidence Interval tailed} Difference of the Difference Amount in 3.??0 .001 ?O.DDD 10156 band [RM] a} The lecturer is investigating if the students can afford to buy the textbook immediately. Specify the null and alternative hypotheses. [2 marks} b] Identify the statistical test used to generate the output in Table 2. [2 marks} c} Examine if the students afford to buy the textbook immediately. [6 marks)