Please use this formula I provided to solve the questions. Answer in A4 papers. with eligible handwriting . Thanks.

(CLO2:PLO4:C3)(CLO2:PLO7:C3) FORMULA SHEET Sturges Rule: No. of classes : c=1+3.3logn iz range Class width : C Arithmetic mean : n n [X () if n is odd X - L + 2 - F Median : + x() if niseven Mode : Standard deviation : 1- 1 s = n-1 IQR : 2 -2 O, at "+ th term 4 Q, at 3(n + 12 th term 3(mean - median) mean - mode Coefficient of skewness : standard deviation Or standard deviation standard deviation Coefficient of variation : x 100% mean Probability : P(AUB) = P(A) + P(B) mutually exclusive events P(AUB) - P(A) + P(B) - P(AnB) not mutually exclusive events P(AnB) - P(A)P(B) independents events P( A/ B) = P(An B) P(B) conditional probability Page 1 of 7 + 155. The police department in a large city has installed a traffic camera at a busy intersection. Any car that runs in reds light will be photographed with its license plate visible, and the driver will receive a citation. Suppose that during the morning rush hour of weekdays, an average of 5 drivers are caught running the red light by this system. (a) It is possible that during the morning rush hour on a given weekday, this system will catch no driver? Justify your answer. (3 marks) (b) It is high probability that during the morning rush hour on a given weekday, this system will catch more than 5 drivers? Explain. (3 marks) (c) It is possible that during the morning rush hour on two given weekdays, this system will catch a total of more than 20 drivers? Justify your answer. (4 marks)