The Covid-19 pandemic accelerated the shift from cash to card. The use of contactless payments also increased sharply in 2020, and lockdowns boosted the growth of e-commerce. According to a Visa Back to Business study, 25% of Australian consumers used Paypal when shopping online, and 65% of Australians used Amazon pay, with the remainder of Australians using Credit or Debit cards. When surveying 105 Australian online shoppers, 21 reported using Paypal, 62 reported using Amazon pay, while 22 used either a Credit or a Debit card. The observed and expected data are summarised in the table below: Online payment methods Observed Expected (0-E)^2/E Paypal 21 26 Amazon pay 62 0.529 Credit/Debit cards 22 10 14.4 Use the above information to answer the following questions by choosing the most correct option or typing the answer. 1. (1 mark) What is the expected value for Australians who used Amazon pay? (Integer) 2. (1 mark) What is the contribution to chi-squared for Paypal? (3dp) 3. (1 mark) What is the chi-squared test statistic? (3dp) 4. (1 mark) Using Excel to find the P-value associated with the chi-squared test statistic, is the P-value less than 0.05 5. (1 mark) Would you (A) reject or (B) not reject the hypothesis that the proportions are as stated? 6. (1 mark) Is it reasonable to conclude that the proportion of Amazon payers is significantly different to 0.65 (Y) or (N)