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lydia runs an experiment to determine if a coin is fair by counting the…

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 flips0102030405060708090
number of heads up071218233035384245

according to the line of best fit, about how many times would the coin land heads up in 100 flips?
48
50
51
53

Explanation:

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.

Answer:

50