. In a conference that will occur in the following days, politicians from different regions of Portugal will discuss the pandemic evolution in the country. It is known that 40% of the attendees are from the Metropolitan regions of Lisbon and Porto (region 1), 15% are from the Autonomous regions of Azores and Madeira (region 2) and the remaining 45% are from other regions of the country (region 3). A total of 20% of the attendees will speak at the conference. It is also known that 20% of attendees from region 1 and 25% of attendees from region 3 will speak at the conference. a) Choosing 10 participants of the conference randomly, compute the probability that 6 of them are from region 3.

i) 0.5044 ii) 0.8980 iii) 0.1596 iv) 0.2384