# Question: In a random sample of 40 visitors to a certain

In a random sample of 40 visitors to a certain theme park,it was determined that the mean amount of money spent per person at the park (including ticket price) was $93.43 per day with a standard deviation of $15. Construct and interpret a 99% conﬁdence interval for the mean amount spent daily per person at the theme park.

**View Solution:**## Answer to relevant Questions

The following data represent the gestation period of a simple random sample of n = 12 live births. Decide if a 95% t-interval about the population mean can be constructed. If it can, do so. If it cannot be constructed, ...To test H0: µ = 100 versus H1: µ > 100, a simple random sample of size n = 35 is obtained from an unknown distribution. The sample mean is 104.3 and the sample standard deviation is 12.4. (a) To use the t-distribution, why ...August Wunderlich said that the mean temperature of humans is 98.6°F. Researchers Philip Mackowiak, Steven Wasserman, and Myron Levine thought that the mean temperature of humans is less than 98.6°F. They measured the ...According to the American Time Use Survey, adult Americans spent 42.6 minutes per day on phone calls and answering or writing email in 2006. (a) Suppose that we want to judge whether the amount of daily time spent on phone ...According to the National Association of Home Builders, the mean price of an existing single-family home in 2009 was $218,600. A real estate broker believes that because of the recent credit crunch, the mean price has ...Post your question