A. Find the sample proportion. 1. n= 550, x= 308 B. Test the following hypotheses using the given information. 2. Ho : p= 0.42; H. : p= 0.42; sample size= 150, sample proportion= 0.45, a= 0.05 C. Solve the problem. 3. A researcher claims that 75% of college students would rather spend their extra money for cell phone loads than cigarettes. Another researcher would like to verify this claim, She randomly selected 400 college students. Two hundred ninety-six of these 400 students said that they would rather spend their extra money on cell phone loads than cigarettes. At 0.05 level of confidence, is there enough evidence to conclude that the percentage of students who would rather spend their extra money for all phone loads than cigarettes is different from 75%?D. Given the following data, do the tasks given below. 2 3 5 6 7 8 y 15 20 20 25 32 30 35 22 a) construct a scatter plot; b) determine the direction of the straight line that the data points seem to follow, c) determine the strength of the correlation between the two variables depicted in each scatter plot. E. Given the following data, do the tasks stated below. Student Hours using the Internet Scores 30 25 O NON 20 30 CO VOC AW N- 0.5 26 2.5 15 32 W N 15 E a) Identify the independent variable and the dependent variable. b) Construct a scatter plot. c) Determine the direction of the straight line that the data points seem to follow. d) Determine the strength of the correlation between the two variables