Mathematics, 17.06.2020 20:57, bakerj5203

# One study revealed that a child under the age of 10 watches television 4.5 hours per day. A group of families from a certain comunity would like to beleive that their children watch television less than the national average. A random sample of 14 children from the community yielded a mean of 4.1 hours per day with standard deviation of 1.2. Test the appropriate hypothesis at the level of significance 0.01. Assume the viewing time is normally distributed and interpret your results.

Answers: 2

Mathematics, 21.06.2019 15:30, leeenaaa95

On a architect's drawing of a house, 1 inche representa 1.5

Answers: 1

Mathematics, 21.06.2019 17:00, person4936

The us gdp (gross domestic product) for 2014 was a reported 17.555 trillion dollars. the current us population is about 320 million people. round all answers to the nearest hundredth.

Answers: 1

Mathematics, 21.06.2019 17:30, aprilreneeclaroxob0c

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Answers: 3

One study revealed that a child under the age of 10 watches television 4.5 hours per day. A group of...

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