Probability Homework

Probability Homework - 1 The medal distribution from the...

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Unformatted text preview: 1. The medal distribution from the 2000 Summer Olympic games is shown in the table. GOLD SILVER BRONZE United States 39 Russia 32 China 28 Australia 16 Others 186 Choose one medal winner art random. 25 33 9 L// / 23 28 f L ' 16 15 25 17 205 235 a) Find the probability that the “dinner won the gold medal, given that the Winner was from United States. b) Find the probability that the winner was from the United States, given that she or he won a gold medal. e) Are the events “medal winner is from United States: and “gold medal was won” independent? Explain. 1 if: I; f’ l .‘ P f c F i ‘ Li 0 9 l ~ ‘ ’ \‘ i G "I J 7 {t K)" n 'fi‘ _ w" , l 2.: 0. u l 30 l L” ‘3 ﬁ‘l 30] ‘3‘: . a m ,. W W" 2.A lot of portable radios contains 15 good radios and 3 defective ones. H2 are selected and tested, ﬁnd the probability that at least one will be defective. Pill Wk “ll \ , l' Lulu": \ « ll Nu"; )— / ll ‘7 ’53:” 3. A coin is tossed 4 times, ﬁnd the probability of getting at least one tail. \ ‘tsa \$1373 ...
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