Mathematics, 13.04.2020 22:53, hazeleyes2006

Randomly selected statistics students of the author participated in an experiment to test their ability to determine when 60 seconds had passed. Forty students yielded a sample mean of 58.3 seconds. Assume that б = 9.5 seconds. Construct a 95% confidence interval of the population mean of all statistics students.
Z D/2 = 1.96

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 21:40, dededese2403

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels. ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0

Answers: 1

continue

Mathematics, 21.06.2019 23:00, neariah24

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.

Answers: 1

continue

Mathematics, 21.06.2019 23:30, ivan2076

On this question. a hypothermia occurs when a person's body temperature drops below 95 degrees fahrenheit. write and solve an inequality that describes how much lower the body temperature of a person with hypothermia will be than the body temperature of a person with a normal temperature of 98.6 degrees fahrenheit

Answers: 1

continue

Mathematics, 22.06.2019 00:30, zapata12

Parallelogram rstu is a rhombus. m∠r = 120° what is m∠t = 120 (what is m∠rsu? )

Answers: 2

continue

Do you know the correct answer?

Randomly selected statistics students of the author participated in an experiment to test their abil...