Question

A student would like to know what proportion of the text messages she sends are to her best friend. She selects a

random sample of 50 text messages she sent and determines the proportion of those messages that are sent to her
best friend. Which of the following statements is true?
The population is all of her friends and the sample is the best friend about whom she is performing this study.
The population is the best friend about whom she is performing this study and the sample is all of her friends.
O The population is the 50 text messages she randomly selected and the sample is all text messages she sent.
O The population is all text messages she sent and the sample is the 50 text messages she randomly selected.

Answer 1

The population is all text messages she sent and the sample is the 50 text messages she randomly selected.