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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

Pertanyaan

 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 begin mathsize 14px style B end style is an event where Ali buys a pair of shoes, express the complement of an event begin mathsize 14px style B apostrophe end style in

(a) words

(b) set notations

  1. ...undefined 

  2. ...undefined 

I. Ridha

Master Teacher

Mahasiswa/Alumni Universitas Negeri Surabaya

Jawaban terverifikasi

Pembahasan

begin mathsize 14px style B end style is an event where Ali buys a pair of shoes.

(a) The complement of an event undefined in words

begin mathsize 14px style B apostrophe end style 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 undefined in set notations

begin mathsize 14px style B apostrophe equals open curly brackets blank close curly brackets end style

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