November 2018 1 53 Report
Buenas noches alguien me puede colaborar con esta pregunta de estadistica:

Se seleccionan tres canicas, una después de la otra, sin reposición de una caja que contiene 3 canicas blancas, 2 canicas rojas y 5 canicas azules. La probabilidad de que salgan 2 canicas azules y 1 blanca es:
A. 6,40% B. 15,54% C. 5,95% D. 8,33
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Ayuda porfavor Past simple: regular and irregular verbs. Exercises A. Complete the sentences. Example: I didn´t watch TV last night. 1. On Saturday I ____________ (play) computer games with my cousins. 2. My mum ____________ (not cook) dinner last night. 3. I ____________ (walk) to school because there weren´t any buses. 4. They ____________ (not dance) at the party. 5. My brother ____________ (travel) to Ireland last summer. B. Write the past simple of these verbs. 1. copy __________ 2. revise __________ 3. cycle __________ 4. listen __________ 5. practice __________ 6. play __________ 7. like __________ 8. move __________ 9. shout __________ 10. start _________ C. Write the questions in the correct order. Example: night? / meet / Did / you / them / last / Did you meet them last night? 1. film? / like / you / Did / the / _________________________________ 2. you / many / did / ask? / How / people / _________________________________ 3. a / have / time? / they / Did / good _________________________________ 4. did / weekend? / the / What / do / we / at / _________________________________ 5. she / DVD? / Where / that / did / buy / _________________________________ 6. party / on / your / go / Saturday? / he / Did / to / _________________________________ 7. did / yesterday? / Who / you / see / ________________________________________ D. Correct the sentences. Example: Who do you met on Saturday morning? X Who did you meet on Saturday morning? 1. Did he went to school yesterday? 2. Why did you to go home early? 3. Where you did learn English? 4. Did she works today? 5. What do you this yesterday? 6. Did they last night phone you? E. Regular (R) or irregular (I) verbs? Example: play R 1. fly ___________ 2. use ___________ 3. study ___________ 4. eat ___________ 5. make ___________ 6. travel ___________ 7. see ___________ F. Write the past simple of the verbs of exercise E. 1. ___________ 2. ___________ 3. ___________ 4. ___________ 5. ___________ 6. ___________ 7. ___________ G. Complete the sentences with the past simple. be – get up – meet – have – go – run – drink – sleep – swim – eat Example: Yesterday I got up early, at about seven o´clock. 1. I ________ a shower and some fruit for breakfast. 2. Then I ________ to the sports centre. 3. I ________ 500 meters in the swimming pool and then 4. I ________ 5 kilometers. 5. At lunchtime I ________ my friends in a café. 6. We ________ some pasta and ________ some juice. 7. After lunch I ________ for a few hours, I ________ tired! H. Complete with past simple (regular verbs). 1. I opened the door and ___________ (look) inside. 2. Who ___________ (close) all the windows? 3. I ___________ (carry) my mom´s shopping bag. 4. I ___________ (not climb) over the fence. 5. I ___________ (rip) my shirt. 6. The plane ___________ (land) ten minutes ago. 7. We ___________ (live) in that house when I was a baby. 8. My brother ___________ (not cry) when he fell of his bike. 9. We ___________ (walk) to school yesterday. 10. She ___________ (smile) when she saw me. 11. We ___________ (hurry) to the station to catch the train. 12. She ___________ (laugh) when I told her the joke. 13. We ___________ (race) each other on our bikes. 14. Dad ___________ (not help) me with my homework. 15. Helen ___________ (whisper) me a secret. 16. Luis Miguel ___________ (hurry) to catch a bus. 17. We ___________ (return) our books to the library. 18. She ___________ (not kiss) the frog. 19. The frog ___________ (change) into a prince. 20. Two doctors ___________ (rush) into the room. 21. I ___________ (not kick) the ball very hard. 22. Who ___________ (invent) the computer? 23. Dinosaurs ___________ (live) many years ago. 24. It ___________ (not snow) last night. 25. They ___________ (not work) until twelve last night. I. Past simple (irregular verbs). 1. I ___________ (loose) my watch in the park. 2. David ___________ (not hurt) his knee. 3. I kicked the ball and it ___________ (break) a window. 4. My new shoes ___________ (not cost) a lot of money. 5. I ___________ (get) this book from the library. 6. We had a garage where we ___________ (keep) our car. 7. Ali ___________ (cut) his knee. 8. The glass ___________ (fall) off the table. 9. The glass ___________ (not break). 10. We ___________ (sell) our old car. 11. We ___________ (buy) a new car. 12. The bell ___________ (not ring). 13. We all ___________ (go) into school. 14. The dog ___________ (catch) the ball. 15. The man ___________ (not kneel) down. 16. Our cat ___________ (run) onto the road. 17. Jane ___________ (not write) a letter. 18. I ___________ (buy) a new camera last week. 19. We ___________ (drive) to a safari park yesterday. 20. Yesterday Dad ___________ (not take) me to the carnival. } 21. Elizabeth ___________ (give) Eva a chocolate. 22. Jack and Jill ___________ (not go) up the hill. 23. Her ring _____¬¬¬¬¬¬_________(cost) ten Euros. 24. I ___________ (put) sugar in my coffee. 25. He ___________ (not hit) the ball over the net.
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