It is estimated that 30% of Canadians with age between 60 and 65 had smoked for a long period of their life. Among these people, 63% develop a form of lung cancer. In the group of Canadians with age between 60 and 65 who did not smoke for a long period of their life, the percentage of people with a form of lung cancer is 11%. We choose at random a Canadian with age between 60 and 65. What is the probability that this person has a form of lung cancer? (A) 0.242 (B) 0.266 (C) 0.734 (D) 0.119 (E) 0.232

An economics professional body estimates that 80% of the students taking undergraduate economics courses are in favour of studying of statistics as part of their studies. If this estimate is correct, what is the probability that more than 790 undergraduate economics students out of a random sample of 1000 will be in favour of studying statistics?

Approximately 10% of the population is left-handed. What is the probability that exactly two students among the 20 students in a Statistics class is left-handed?

A survey showed that 76​% of adults need correction​ (eyeglasses, contacts,​ surgery, etc.) for their eyesight. If 14 adults are randomly​ selected, find the probability that at least 13 of them need correction for their eyesight. Is 13 a significantly high number of adults requiring eyesight​ correction?