QUESTION IMAGE
Question
lydia runs an experiment to determine if a coin is fair by counting the number of times a coin lands heads up. the table shows her data. coin fairness test
| number of coin flips | 0 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 |
| number of heads up | 0 | 7 | 12 | 18 | 23 | 30 | 35 | 38 | 42 | 45 |
according to the line of best fit, about how many times would the coin land heads up in 100 flips?
48
50
51
53
Step1: Analizar la tendencia
Observando los datos, vemos que la proporción de caras se aproxima a la mitad conforme aumenta el número de lanzamientos.
Step2: Inferir para 100 lanzamientos
Para 100 lanzamientos, en una moneda justa, esperaríamos 50 caras. Y siguiendo la tendencia de los datos, se aproxima a este valor.
Snap & solve any problem in the app
Get step-by-step solutions on Sovi AI
Photo-based solutions with guided steps
Explore more problems and detailed explanations
50