subject
Mathematics, 23.05.2021 02:30 mikaelalcool49

PLEASE HELP! In a film study, a sample of 300 movies was found to have an average runtime of 116 minutes with a standard deviation of 15 minutes. What is the margin of error for any sample of movie runtimes with 90% confidence (z=1.64)?

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 16:00
Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.
Answers: 2
question
Mathematics, 21.06.2019 17:00
27 is what percent of 108? 27 is % of 108
Answers: 2
question
Mathematics, 21.06.2019 17:50
Jace wrote a sentence as an equation. 56 is 14 more than a number. 14+ = 56 which statement best describes jace's work? jace is not correct. the phrase more than suggests using the symbol > and jace did not use that symbol. jace is not correct. he was correct to use addition, but the equation should be 56+ p = 14 jace is not correct. the first number in the sentence is 56, so the equation should start with 56. jace is correct. the phrase more than suggests addition, so jace showed that 14 plus a variable equals 56. o
Answers: 1
question
Mathematics, 21.06.2019 19:30
Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours
Answers: 1
You know the right answer?
PLEASE HELP! In a film study, a sample of 300 movies was found to have an average runtime of 116 min...
Questions
question
Social Studies, 10.02.2021 22:50
question
Mathematics, 10.02.2021 22:50
question
Health, 10.02.2021 22:50
question
Mathematics, 10.02.2021 22:50
question
Mathematics, 10.02.2021 22:50
question
Mathematics, 10.02.2021 22:50
question
Mathematics, 10.02.2021 22:50