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Joan flipped a coin 100 times during a mathematics experiment. The coin landed on tails 36 times. Based on Joan's results, which of these statements is true? The coin landed on heads more than expected. The coin landed on tails more than expected. The coin landed on tails more than heads. The coin landed on heads less than tails.
Four students predicted how long it would take them to run around a city block. Their predictions and actual times are shown in the table below. Which student's predicted time is closest to his or her actual time? Sarah predicts that 15 percent of all the birds she spots while bird watching will be robins. At the end of the day, she records that 10 out of the 25 birds she spotted were robins. How does Sarah's prediction compare with the actual results? Sarah's prediction was too low. Sarah's prediction was too high. Sarah's prediction cannot be compared to the actual results. Sarah's prediction was exactly the same as the actual results. Debbie rolled a number cube 60 times. Before her experiment, Debbie expected each number on the cube to appear an equal number of times. Which statement best compares the results of Debbie’s rolls with her expectations? Debbie rolled more 5s than expected. Debbie rolled fewer 4s than expected. Debbie rolled fewer 2s than expected. Debbie rolled more 3s than expected. His prediction was the same as his actual results. His prediction was lower than his actual results. His prediction was higher than his actual results. His prediction cannot be compared with his actual results. In a basketball contest, Chad predicted he would make 85 percent of his shots. He actually made 18 out of 20 shots. How did Chad’s prediction compare with his actual results? His prediction was the same as his actual results. His prediction was lower than his actual results. His prediction was higher than his actual results. His prediction cannot be compared with his actual results. In a basketball contest, Mark predicted he would make 75 percent of his shots. He actually made 12 out of 20 shots. How did Chad’s prediction compare with his actual results? Carlos conducted an experiment by spinning this spinner 80 times. He expected the spinner to land on each color an equal number of times. Yellow Green Color Blue Red Frequency 18 19 23 20 It landed on green less than expected. It landed on blue more than expected It landed on red more than expected It landed on red exactly as expected Which statement best describes the results? Diamonds Sheena conducted an experiment by drawing one card 40 times. She expected to draw a card from each suit an equal number of times. Spades Hearts Color Clubs Frequency 14 12 5 9 She drew clubs more than expected She drew hearts more than expected She drew hearts less than expected She drew spades less than expected Which statement best describes the results? Emily predicted that her batting average after the first five games of the season would be higher than 0.250. Compare Emily's batting average to her prediction. Game The batting average cannot be determined. It was higher than she predicted. It was equal to her predictions. It was lower than she predicted. 1 2 3 4 5 Times at Bat 4 3 4 4 5 Hits 2 0 0 1 2 |