Suppose the scores on a college entrance examination are normally distributed with a mean of 525 and a standard deviation of 125. What score would place a student in the 30th percentile? Round your answer to the nearest integer.

1) Observe o gráfico de setores ao lado: a) Calcule o ângulo central correspondente aos setore circulares de Futebol, Vôlei e Basquete. b) Se o ângulo central correspondente a "Outros" é igual a 18 quantos \% dos alunos responderam que preferem Natação? c) Se ao todo há 40 alunos no \( 7^{\circ} \) ano, calcule a quantidade de alunos por esporte: \( \frac{x+40}{00} \)

a) Copy and complete the equation of the line of best fit below. Give any decimals in your answer to 1 d.p.

QS-8 company that makes hair-care products had 7,000 people try a new shampoo. Of the 7,000 people, 14 had a mild allergir eaction. What percent of the people had a mild allergic reaction?

4.2PS-9 Car Survey In a survey of 2,400 people who owned a certain type of car, 960 said they would buy that type of car again. What percent of the people surveyed were satisfied with the car?

men are randomly selected and tested. Among the men, 563 have color blindness, and among the wo lindness than women at an \( \alpha=0.05 \) level of significance. Round all values to at least 4 decimal places.