subject
Mathematics, 24.03.2021 01:50 farh

In a random sample of 520 adults, the mean was 150 and the standard deviation was 4.5. The study was reported with a 95% confidence level, and the confidence interval for the study was 150 ± 0.39. What range of values shows the confidence interval for the study?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 12:50
2-digit numbers less than 91 which are 1 less than a multiple of 10
Answers: 1
question
Mathematics, 21.06.2019 19:00
Lena reflected this figure across the x-axis. she writes the vertices of the image as a'(−2, 8), b'(−5, 6), c'(−8, 8), d'(−4, 2).
Answers: 2
question
Mathematics, 21.06.2019 19:10
Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.
Answers: 3
question
Mathematics, 21.06.2019 20:30
Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function.a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.
Answers: 1
You know the right answer?
In a random sample of 520 adults, the mean was 150 and the standard deviation was 4.5. The study was...
Questions
question
Mathematics, 08.01.2022 16:40
question
Mathematics, 08.01.2022 16:50
question
Mathematics, 08.01.2022 16:50
Questions on the website: 13722367