Mathematics, 15.07.2019 19:10 jljhenkel
Arecent national survey found that high school students watched an average (mean) of 6.8 movies per month with a population standard deviation of 1.8. the distribution of number of movies watched per month follows the normal distribution. a random sample of 36 college students revealed that the mean number of movies watched last month was 6.2. at the 0.05 significance level, can we conclude that college students watch fewer movies a month than high school students?
Answers: 1
Mathematics, 21.06.2019 15:30, dolliemeredithm
Guests at an amusement park must be at least 54 inches tall to be able to ride the roller coaster. which graph represents the set of heights that satisfy this requirement?
Answers: 3
Mathematics, 21.06.2019 23:00, keishadawson
Could someone me with this question i’ve been stuck on it for 20 minutes
Answers: 1
Arecent national survey found that high school students watched an average (mean) of 6.8 movies per...
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