The tourism director for an ocean resort town claims that 57% of the adults who visit the area stay in hotels, 26% rent condos, 10% stay in campgrounds, and 7% stay with relatives who live in the area. Of the 800 people vacationing in the area this week, 504 are staying in a hotel, 190 are renting a condo, 82 are camping, and 24 are staying with relatives who live in the area. Are this week’s accommodation choices significantly different from what the tourism director claims?

a. Create a table of observed and expected frequencies.

b. Calculate χ².

c. At what level of confidence can you reject the null hypothesis?