A random sample of 300 shoppers were asked whether they have used a buy-now-pay-later (BNPL) service. The table below summarise the results. OBSERVED Count Used BNPL Did not use BNPL TOTAL Female 22 178 Male 6 94 TOTAL 28 272 200 100 300 EXPECTED Count Used BNPL Did not use BNPL TOTAL Female ?? ?? Male ?? TOTAL 28 272 200 100 300 CHI-SQUARE Contribution Used BNPL Did not use BNPL TOTAL Female ?? Male TOTAL 1.79 0.18 0.66 1.31 1.97 (a). Calculate the Expected value for the 3 cells with question marks. (b) Calculate the chi-square contribution between Female and Used BNPL. 23C -SQUARE Contribution Used BNPL Did not use BNPL TOTAL Female ?? Male TOTAL 1.79 0.18 0.66 1.31 1.97 (a). Calculate the expected value for the 3 cells with question marks. (b) Calculate the chi-square contribution between Female and Used BNPL. (b). Check the assumption and test at 5% level whether the use of BNPL service depend on the gender. A B I II! III ? go US X2 x? >