Mathematics, 21.05.2020 01:06 alexsysantiago54
A recent national survey found that high school students watched an average (mean) of 7.6 movies per month with a population standard deviation of 0.9. The distribution of number of movies watched per month follows the normal distribution. A random sample of 39 college students revealed that the mean number of movies watched last month was 7.1. At the 0.05 significance level, can we conclude that college students watch fewer movies a month than high school students?
Answers: 1
Mathematics, 22.06.2019 01:40
Afamily has two cars. the first car has a fuel efficiency of 25 miles per gallon of gas and the second has a fuel efficiency of 15 miles per gallon of gas. during one particular week, the two cars went a combined total of 1025 miles, for a total gas consumption of 55 gallons. how many gallons were consumed by each of the two cars that week?
Answers: 1
Mathematics, 22.06.2019 02:30
If wxyz is a square, which statements must be true? plz < 3
Answers: 1
A recent national survey found that high school students watched an average (mean) of 7.6 movies per...
History, 26.11.2019 18:31
Mathematics, 26.11.2019 18:31
English, 26.11.2019 18:31
History, 26.11.2019 18:31
Mathematics, 26.11.2019 18:31
Mathematics, 26.11.2019 18:31
Computers and Technology, 26.11.2019 18:31
Business, 26.11.2019 18:31
Social Studies, 26.11.2019 18:31