3. A recent report stated that the proportion of teens that vape has decreased from the prior year. The authors randomly selected a group of 600 teens from the current year and 126 of them vape. They randomly selected 800 teens the prior year and 216 of them vaped. Is there significant evidence that the proportion decreased?

a. State the hypotheses to be tested.

b. Compute the value of the pooled proportion

c. Compute the value of the test statistic (z-value)

d. Compute the P-value.

e. Based on a 5% significance level, what conclusion should be made?