Please assist with the following homework questions. Please also include the work.

10.3 Comparing Two Independent Population Proportions

99. A recent drug survey showed an increase in the use of drugs and alcohol among local high school seniors as compared to the national percent. Suppose that the survey of 100 local seniors and 100 national seniors is conducted to see if the proportion of drug and alcohol use is higher locally than nationally. Locally, 65 seniors reported using drugs or alcohol within the past month, while 60 national seniors reported using them.

103. Neuroinvasive West Nile virus is a severe disease that affects a person's nervous system. It is spread by the Culex species of mosquito. In the United States in 2010 there were 629 reported cases out of a total of 712 cases reported in 2011. Is the 2011 proportion of the neuroinvasive West Nile virus cases more than the 2010 proportion of neuroinvasisve West Nile virus cases? Using a 1% of significance, conduct an appropriate hypothesis test.

"2011" subscript: 2011 group

"2010" subscript: 2010 group

This is :

a. a test of two proportions

b. a test of two independent means

c. a test of a single mean

d. a test of matched pairs

109. A group of friends debated whether more men use smartphones than women. They consulted a research study of smartphone use among adults. The results of the survey indicate that of the 973 men randomly sampled, 379 use smartphones. For women, 404 of the 1,304 who were randomly sampled use smartphones. Test at the 5% level of significance.