Se sabe que los pesos medios de los toros de lidia se distribuyen normalmente con una media de 490 kg y una desviación típica de 45 kg. Calcula la probabilidad de que, elegido un toro de lidia al azar, su peso esté entre 450 y 500 kg.

In the final round of trivia competition, contestants were asked to name as many states that begin with the letter m as they could in 15 seconds. the bar graph shows the number of states the contestants were able to name. how many contestants participated in the final round of the competition? a) 6 b) 8 c) 14 d) 20

Tyler enjoys the fish so much that after his birthday his family decides to take him to a famous aquarium a tank at the aquarium is similar to his tank with the scale factor of 8 how many times greater is the volume of the tank at the aquarium than the volume of tyler tank

Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?