Canada has two official languages, English and French. Choose a Canadian at random and ask, "What is your mother tongue?" The table contains the distribution of responses, combining many separate...

Canada has two official languages, English and French.
Choose a Canadian at random and ask, "What is your mother tongue?" The table contains the distribution of responses, combining many separate languages.

Language	English	French	Other
Probability	0.5780.578	0.2170.217	? x

(a) What is the probability that a Canadian's mother tongue is either English or French? (Enter your answer rounded to three decimal places.)

(b) What probability should replace ?x in the distribution? (Enter your answer rounded to three decimal places.)

(c) What is the probability that a Canadian's mother tongue is not English? (Enter your answer rounded to three decimal places.)