The amusement park officials in question 4.3 wish to add some additional rides aimed toward children under the age of 10. They suspect the proportion of all visitors under the age of 10 is 23%. Suppose they randomly select 400 people and ask their ages. Estimate the proportion of individuals who are below the age of 10 using 97% confidence.
Hi! I keep going round and round with this problem. Do I use 23 as an xbar? If I find a z score how do I equate that to a number of people?
The amusement park officials in question 4.3 wish to add some additional rides aimed toward children...
Case Study Fun-Spot Fun Park began as a small amusement park in 1985. With nothing more than a merry-go-round, a slide, pony rides, and an ice cream stand, Fun-Spot grew into a popular family attraction with 20 rides, a restaurant, and an outdoor performing arts theater. “My wife, Gail, and I didn’t know what we were getting into,” commented Ron Hart, the owner. “We just knew that weekenders coming to the lakes in our rural area represented an untapped market.”...