lydia runs an experiment to determine if a coin is fair by counting the number of times a coin lands heads…

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\n|number of coin flips|0|10|20|30|40|50|60|70|80|90|\n|number of heads up|0|7|12|18|23|30|35|38|42|45|\naccording to the line of best fit, about how many times would the coin land heads up in 100 flips? 48 50 51 53

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\n|number of coin flips|0|10|20|30|40|50|60|70|80|90|\n|number of heads up|0|7|12|18|23|30|35|38|42|45|\naccording to the line of best fit, about how many times would the coin land heads up in 100 flips? 48 50 51 53

Answer

Explanation:

Step1: Observe the trend

As the number of coin - flips increases, the proportion of heads seems to approach 0.5.

Step2: Calculate for 100 flips

For a fair coin, the expected number of heads in 100 flips is $100\times0.5 = 50$.

Answer:

50