Una caja contiene 20 esferas numeradas del 1 al 20. ¿Cuál es la probabilidad de que al sacar una esfera al azar, ésta sea un número primo o un múltiplo de 10? A \( 1 / 2 \) B \( 1 / 10 \) C \( 1 / 20 \) D \( 9 / 20 \)

The probability that it will be suminy tomorrow is \( \frac{2}{9} \), If it is sunny, the probability tha Siya plays rugby is \( \frac{8}{15} \). If it is not sumy, the probability that Stya plays rugby is \( \frac{4}{15} \) 9.2.1 Represent the above information on the tree diagram and indicate all the possible outcomes.

Topic - Probability A restaurant offers a 3 course meal. The entrée may be garlic bread \( (G) \) or chicken soup (S), the a) Draw a tree diagram and list (sample space) all the possible combinations for a 3 course meal.

En una bolsa hay cuatro tarjetas, con los números \( 1,2,3 \) y 4 respectivamente. Si se sacan dos tarjetas de la bolsa, una tras otra y con reposición, ¿cuál es la probabilidad de que la suma de los números obtenidos sea 7 ? A. \( \frac{1}{4} \) B. \( \frac{7}{16} \) C. \( \frac{1}{16} \)

One card is chosen at random from a standard deck of 52 playing cards. Find the probability of drawing a red king a jack of diamonds a picture card (i.e. king, queen or jack)

1 One card is chosen at random from a standard deck of 52 playing cards. Find the probability of a a red king b a king or queen c a jack of diamonds d a picture card (i.e. king, queen or jack)