5. For this question please do not round off the numerical values of your intermediate steps when you do your calculations. Round off your answers only at the end. Childbed fever is a fatal illness that occurs among new born babies and their mothers. William was investigating the prevalence of childbed fever among mothers (together with their new born babies) who were admitted to The General Hospital of City H. These cases of delivery of new born babies had been classied according to three different criteria: 0 whether they had been admitted to the First Division or the Second Division of the hospital a whether they had contracted childbed fever 0 whether the babies were delivered in the hospital wards or on the way to the hospital (the socalled \"street births\") Table 1 below summarises the number of delivery cases in each of these categories. Table 1: Number of Delivery of New Born Babies under Studies Contraction of First Divsion Second Division Childbed Not Not Fever Street Birth Street Birth Yes 24 89 | 420 No 312 2046 291 1931 l 4580 Total | 345 2320 | 315 2020 [15000] (f) (3 marks) Another hospital in City H, The United Hospital, had reported that 4.5% of new born babies (together with their mothers) admitted by them had contracted childbed fever. Carry out a simple analysis to determine whether the Second Division of The General Hospital of City H had a higher proportion of new born babies who had contracted childbed fever at the 0.05 level of signicance. Assuming the null hypothesis is \"The proportion of new born babies in the Second Division of The General Hospital of City H who had contracted childbed fever is 4.5%\