subject
Mathematics, 16.04.2021 01:00 YoEsMyles3115

In a study of 225 adults, the average heart rate was 72 beats per minute. Assume the population of heart rates is known to be approximately normal, with a standard deviation of 10 beats per minute. What does a margin of error of 1.1 for the 90% confidence interval of the average beats per minute mean? There is a 90% chance that the population mean is between 70.9 and 73.1 beats per minute.
There is a 90% chance that the population mean is between 62 and 82 beats per minute.
There is a 10% chance that the population mean is less than 72 beats per minute.
There is a 10% chance that the population mean is more than 72 beats per minute.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.
Answers: 1
question
Mathematics, 21.06.2019 18:00
Adriveway is 40 yards long about how many meters long is it
Answers: 2
question
Mathematics, 21.06.2019 21:00
A.s.a.! this is a similarity in right triangles. next (solve for x)a.) 12b.) 5c.) 12.5d.) [tex] 6\sqrt{3} [/tex]
Answers: 2
question
Mathematics, 22.06.2019 01:00
On friday, there were x students at the baseball game. on monday, there were half as many students at the game as there were on friday. on wednesday, there were 32 fewer students at the game as there were on friday. which expression could represent the total number of tickets sold for all 3 games?
Answers: 2
You know the right answer?
In a study of 225 adults, the average heart rate was 72 beats per minute. Assume the population of h...
Questions
question
Advanced Placement (AP), 12.05.2021 18:40
question
Mathematics, 12.05.2021 18:40
question
Mathematics, 12.05.2021 18:40
question
Mathematics, 12.05.2021 18:40
question
Mathematics, 12.05.2021 18:40
question
Mathematics, 12.05.2021 18:40
Questions on the website: 13722362