Mathematics, 17.04.2020 16:43 alexam2007

The Pew Research Center interviewed a random sample of 1,546 adult Americans to determine the average time they spent sleeping per night. The sample mean was found to be 7.2 hours of sleep, with a sample standard deviation of 1.4 hours. Construct a 95% confidence interval for the true mean. Interpret your confidence interval in words.

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 15:30, chanevelyn2

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Answers: 2

continue

Mathematics, 21.06.2019 16:40, Thomas7785

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

Answers: 2

continue

Mathematics, 21.06.2019 21:30, kimlyn58p0wyn0

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?

Answers: 1

continue

Mathematics, 21.06.2019 22:00, prelogical

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?

Answers: 1

continue

You know the right answer?

The Pew Research Center interviewed a random sample of 1,546 adult Americans to determine the averag...