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Ali has RM73. A shop selling shoes gives Ali a choice by offering three pairs of shoes priced below RM50 a pair, four pairs of shoes priced between RM50 to RM70 a pair and five pairs of shoes priced at RM70 a pair. If B is an event where Ali buys a pair of shoes, express the complement of an event B in (a) words (b) set notations
Ali has RM73. A shop selling shoes gives Ali a choice by offering three pairs of shoes priced below RM50 a pair, four pairs of shoes priced between RM50 to RM70 a pair and five pairs of shoes priced at RM70 a pair. If is an event where Ali buys a pair of shoes, express the complement of an event in
(a) words
(b) set notations
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I. Ridha
Master Teacher
Mahasiswa/Alumni Universitas Negeri Surabaya
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Pembahasan
is an event where Ali buys a pair of shoes. (a) The complement of anevent inwords is an event where Ali do not buyany pair of shoes. Because Ali can't afford to buymore than one shoes, so it's one or nothing. (b) The complement of an event in set notations
is an event where Ali buys a pair of shoes.
(a) The complement of an event 
in words
is an event where Ali do not buy any pair of shoes. Because Ali can't afford to buy more than one shoes, so it's one or nothing.
(b) The complement of an event in set notations
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