subject
Mathematics, 05.03.2021 21:10 anyar

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

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 17:20, ryleepretty
Two language majors, anna and megan, took exams in two languages. anna scored 85 on both exams. megan scored 74 on the first exam and 85 on the second exam. overall, student scores on the first exam had a mean of 82 and a standard deviation of 4, and the second exam scores had a mean of 71 and a standard deviation of 13. a) to qualify for language honors, a major must maintain at least an 85 average across all language courses taken. so far, which of anna and megan qualify? b) which student's overall performance was better?
Answers: 2
image
Mathematics, 21.06.2019 17:30, marie1211
The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.
Answers: 2
image
Mathematics, 21.06.2019 18:40, thepantsgirl
Solve the equation below: (x+4)/6x=1/x a. x=2 b. x=0,2 c. x=-2 d. x=0,-2
Answers: 1
image
Mathematics, 21.06.2019 21:30, Lolag4996
Jonathan can type 20 documents in 40 minutes ,and susan can type it in 30 minutes and jack can type it in 24 minutes working together ,how much time will it is take them type the same document
Answers: 1
You know the right answer?
A student would like to know what proportion of the text messages she sends are to her best friend....

Questions in other subjects:

Konu
Mathematics, 12.06.2020 08:57
Konu
Mathematics, 12.06.2020 08:57
Konu
Mathematics, 12.06.2020 08:57