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Mathematics, 07.04.2020 19:38 brid695

1.A poll shows that 50% of students play sports. A random sample of 20 students showed that 70% of them play sports.

A number generator was used to simulate 20 samples from a population in which 50% of students play sports. The results are shown in the dot plot.

What is the chance of getting a sample proportion of 70% or greater?

0.2

0.3

0.4

0.6

2.A number generator was used to simulate the percentage of people in a town who reads local newspaper daily. The process simulates randomly selecting 100 people from the town and was repeated 20 times. The percentage of people who reads local newspaper daily is shown in the dot plot.

Which statement is most likely true about the population of the town?

Most likely, about 10% to 30% of the town reads local newspaper daily.

Most likely, about 30% to 40% of the town reads local newspaper daily.

Most likely, 10% of the town reads local newspaper daily.

Most likely, 30% of the town reads local newspaper daily

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