Martina plays chess. She has played 15 games this season, out of which she has won nine. She has five more games to play. What will her success rate be in this season if she wins all five remaining games?

4. O diretor de uma escola, na qual estăo ma- triculados 280 meninos e 320 meninas, de- sejoso de conhecer as condiçőes de vida extraescolar de seus alunos e não dispondo de tempo para entrevistar todas as famílias, resolveu fazer um levantamento, por amos- tragem, em 10\% dessa clientela. Obtenha, para esse diretor, os elementos componen- tes da amostra.

4) In a telephone poll of 25 people, 9 people said they like shopping. What is the ratio of the number of people who do not like shopping to the number of people who like shopping? \[ 16: 9 \] \( 50: 16 \)

A survey asked buyers whether color, size, or brand influenced their choice of cell phone. The results are below. 153 said size. 232 said brand. 168 said color. 95 said size and brand. 62 said color and size. 101 said color and brand. 21 said all three. 92 said none of these How many buyers were influenced by color and size, but not brand? How many buyers were not influenced by color? How many buyers were surveyed? Question Help: Video Check Answer

If a scatter plot shows points that are closely clustered together, what can you infer about the correlation between the variables?

What is the mean of the prime numbers greater than 30 but less than 45 ?