A survey is conducted to verify whether there is a connection between smokers and cardiovascular diseases. 35 over 60 persons with cardiovascular problems are smokers. Can we conclude that the majority of cardiovascular disease are smokers?
a. State the null hypothesis.
b. State the test you will use(one or two tails,Z or t)
c. Decide the level of significance (?r the conclusion level)
d. find the region of non rejection for your variable (or the region of rejection)
e. Find the value of your variable
f. decide if your null hypothesis is rejected or not
g. If we assume the proportion does not change what should be the sample size in order to reject the null hypothesis (in case it were not rejected)?