subject
Mathematics, 01.02.2020 12:45 shanilafaridor97hl

After a recent survey of 1485 people aged 18 to 24 showing that 78% were impressed with the special effects on a newly released movie, a statistician decided to test a claim by the film company stating that more than 80% of all people aged 18 to 24 who went to see the movie were impressed with the special effects. using a 0.05 significance level, find the p-value and determine an initial conclusion about the claim. a. 0.0268; reject the null hypothesis b. 0.9732; fail to reject the null hypothesis c. 0.0268; fail to reject the null hypothesis d. 0.9732; reject the null hypothesis

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 15:30
What is the value of x? enter your answer in the box. photo attached.
Answers: 2
question
Mathematics, 21.06.2019 17:40
A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2
Answers: 2
question
Mathematics, 21.06.2019 19:00
Will give brainliest plz hurry lexie surveyed 4 teenagers to find out approximately how many hours, per week, they read for fun, and how many siblings they have. brooke said she reads about 10 h a week for fun, and that she has 5 siblings. celia said she has 1 brother and 1 sister and reads for fun about 3 h each week. henry said he has 2 brothers and reads for fun about 30 min each week. jude said he doesn't read for fun and has 3 brothers and 3 sisters. use this information to complete the data table. express your answers as whole numbers or decimals. name hours of fun number of siblings brooke celia __ henry jude
Answers: 2
question
Mathematics, 21.06.2019 21:00
You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up
Answers: 1
You know the right answer?
After a recent survey of 1485 people aged 18 to 24 showing that 78% were impressed with the special...
Questions
question
Mathematics, 01.09.2020 16:01
question
Mathematics, 01.09.2020 16:01
question
English, 01.09.2020 16:01
Questions on the website: 13722359