Use the following information to answer questions 35-37.
The Smith family is planning to build a 3-room cabin which consists of 2 bedrooms (BR) and 1 living room (LR). Shown below are the rectangular floor plan (left figure) and a side view of the cabin (right figure). In the side view, the roof forms an isosceles triangle (△ABC) , the walls are perpendicular to the level floor (ED)，AC ∥ ED , F is the midpoint of AC and BF ⊥ AC .
During the week the Smiths plan to roof the cabin, there is a 20% chance of rain each day.
37. Mr. and Mrs. Smith plan to roof the cabin on 2 consecutive days. Assuming that the chance of rain is independent of the day, what is the probability that it will rain both days?
Your Answer is
Correct Answer is A
Explanation
Because it is said in the title that there is a one-fifth chance of raining on each of the two days when the roof is built, so the probability of raining for two consecutive days is to multiply one-fifth and one-fifth