QUESTION 4 The number of customers paying with Apple Pay is Poisson distributed. The mean number of such users per 5-minute interval is 1.5. The probability that no such users in the next 10 minutes is: O a. 0.05 O b. 0.22 O c. 0.34 O d. 0.45 O e. None of the above QUESTION 5 The result of the math quiz in Jerry's class follows a normal distribution with a mean of 75 marks and a standard deviation of 2.5 marks. The probability of randomly selecting a student whose mark is lower than 80 is: O a. 0.14 O b. 0.78 O c. 0.82 O d. 0.98 O e. None of the above