(a) Berjaya Company, which makes car rental services in Langkawi, has conducted a study on the number of car rentals in October 2021. The manager found that the average car rental had increased compared to September 2021. He found that the average car rental in a day is four cars. (i) Name the probability distribution used by Berjaya Company. Hence, find the standard deviation of the case study. (ii) Find the probability of exactly seven cars in 48 hours. (iii) Find the probability of less than ten cars in the last 24 hours. (iv) Find the probability of at least five cars in six days.

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