At an undisclosed location, the probability of snow during a fall or winter day is 0.30 and for a spring or summer day is 0.05. In contrast, the probably of rain during a fall or winter day is 0.15 and for a spring or summer day is 0.40. Each of these seasons lasts one quarter of the year. Determine the following, showing your calculations. (7 marks total)

a)What is the probability of rain on a random day of the year? (2 marks)

b)What is the probability of snow four days in a row during the fall or winter? (1 mark)

c)What is the probability of rain or snow during the fall or winter assuming

i) rain and snow cannot occur on the same day; and

ii) assuming rain and snow can occur on the same day and they are independent? (2 marks)

d) What is the probability that it is winter or fall when it is snowing? (2 marks)

I need this answer as soon as possible please