ENEM 2023 – Solved mathematics: questions 166 to 180
Source: INEP – proof and template of the 2nd day, Notebook 5 – Yellow.
The ENEM Mathematics and Technologies test 2023 was administered on the 2nd day and will from question 136 to 180. This post addresses questions 166 to 180. The numbering used here is that of the Notebook 5 – Yellow; us In other notebooks the same questions appear in a different order.
Template Question Subject Template 166 Probability of independent events C 167 Cumulative Volume Chart B 168 Numbering systems (base 2) C 169 Average of consecutive months C 170 Compound interest in installments D 171 Affine function D 172 Distance × time and trajectory graph A 173 Waiting time in line E 174 Circular sector B 175 Area of squares D 176 Graph reading A 177 Bar graph reading Canceled 178 Covering area of a staircase E 179 Location on map E 180 System of 1st degree equations B Question 166: White dots in the voucher urn (probability) Statement Aiming to attract more customers, the manager of a store announced a promotion in which each customer who makes a purchase can win a voucher to be used on your next purchase. To win your voucher, the customer needs to withdraw, at the by chance, a small ball from each of the two urns A and B made available by the manager, in which there are only black and white dots. Currently, the The probability of choosing, at random, a black ball from urn A is equal to 20% and the probability of choosing a black ball in urn B is 25%. Win the The customer who removes two black balls, one from each urn, will receive a voucher.
