Page 94 - NUMINO Challenge_D2

Problem solving Key Points

1 The forecast announced that there is a 20% The probability of
chance of having a sunny day on Monday, and a having sunny days on
60% chance of having a sunny day on Tuesday. Monday and Tuesday
Find the probability of having sunny days on ‘continuously’ means
Monday and Tuesday continuously. the probability of
having a sunny day
on Monday and a
sunny day on
Tuesday
‘simultaneously.’

2 Daniel plays basketball every day with his friends. Think about the
The probability of winning the game the day cases of winning and
losing the game on
after Daniel won is 1 and the probability of March 10th.
2

winning the game the day after Daniel lost is

1 . Daniel won the game on March 9th. Find the
3

probability of winning the game on March 11th.

91Number of Outcomes