subject
Mathematics, 23.04.2021 21:00 garretthyatt123

Use the following statistics to construct a 95% confidence interval for the population mean age at which a person first rides a roller coaster. Sample size: 35 Sample average: 12.0333 Assume that σ = 3.2. a. 95% Confidence Interval: b. Point estimate for the population mean:
c. If Mr. Davidson claims that the average age of first roller coaster rides at his amusement park is 14, do you believe him? YES/NO
d. Explain.

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 13:00
Peaches cost $4.29 per pound. find the cost of two and a quarter pounds of peaches.
Answers: 1
question
Mathematics, 21.06.2019 14:30
The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.
Answers: 1
question
Mathematics, 21.06.2019 19:00
The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).
Answers: 1
question
Mathematics, 21.06.2019 21:00
Evaluate this using ! 0.25^2 x 2.4 + 0.25 x 2.4^2 − 0.25 x 2.4 x 0.65
Answers: 1
You know the right answer?
Use the following statistics to construct a 95% confidence interval for the population mean age at w...
Questions
question
English, 04.06.2021 15:20
question
Mathematics, 04.06.2021 15:20
question
Mathematics, 04.06.2021 15:20
question
Social Studies, 04.06.2021 15:20
question
Mathematics, 04.06.2021 15:20
Questions on the website: 13722360