A city of Toronto report showed that 72% of children aged 2 to 17 saw a dentist in the past year. An investigator wants to assess whether use of dental services is similar in children living in the GTA. A sample of 125 children aged 2 to 17 living in GTA are surveyed and 64 reported seeing a dentist over the past year. Is there a significant difference in use of dental services between children living in Toronto and those living in GTA? Use a 10% level of significance.

a) State the null and the alternate hypothesis.

Which is correct: a) Ho: p = 0.72 and Ha: p > 0.72 b) Ho: p = 0.512 and Ha: p 0.512 c) Ho: p = 0.72 and Ha: p 0.72

Type a, b or c - no brackets

b) Calculate the sample proportion. Express your answer correct to 3 decimal places

c) State the critical value (values). If there are 2 values, type them with their respective signs in front of the values, separated by a comma - no spaces

d) Calculate the test statistic. Express your answer correct to 3 decimal places.

e) Is the test statistic located in a) the acceptance area; b) the rejection (critical area). Type a or b - no brackets