2. According to data from Statistics Canada, Chinese is the mother tongue of 8.1% of Toronto residents. a. If 3 Toronto residents are randomly selected, find the probability that they all have Chinese as their mother tongue. b. If 3 Toronto residents are randomly selected, find the probability that at least one of them has Chinese as their mother tongue.
2. According to data from Statistics Canada, Chinese is the mother tongue of 8.1% of Toronto residents. a. If 3 Toronto residents are randomly selected, find the probability that they all have Chinese as their mother tongue. b. If 3 Toronto residents are randomly selected, find the probability that at least one of them has Chinese as their mother tongue.
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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Transcribed Image Text:2. According to data from Statistics Canada, Chinese is the mother tongue of
8.1% of Toronto residents.
a. If 3 Toronto residents are randomly selected, find the probability that
they all have Chinese as their mother tongue.
b. If 3 Toronto residents are randomly selected, find the probability that
at least one of them has Chinese as their mother tongue.
1 Page 236, #1, Pearson Custom Mathematics for Canada: St. Clair College Introduction to Statistics
Page 2 of 5
ΜΤH 237
Exam Review
W21
M. Ripley
c. If groups of 100 Toronto residents are randomly selected, what is the
mean number of residents whose mother tongue is Chinese?
d. If groups of 100 Toronto residents are randomly selected, what is the
standard deviation for the number of residents whose mother
tongue is Chinese?
e. Would it be unusual to get 10 people whose mother tongue is
Chinese in a randomly selected group of 100 Toronto residents? Why
or why not??
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