0.3456 Coffee: The National Coffee Association reported that 62% of U5. adults drink coffee daily. A random sample of 225 U.S. adults is selected. Round your answers to at least four decimal places as needed. (a) nd the mean [Jam 1' The mean is . P3; [:1 ...456 Smartphones: A poll agency reports that 36% of teenagers aged 12* 17 own smartphones. A random sample of 111 teenagers is drawn. Round your answers to at least four decimal places as needed. (a) Find the mean 11". P The mean [IA is . P E] .... 5 6 About 14% of employed adults in the United States held multiple jobs. A random sample of 67 employed adults is chosen. Use the TI-84 Plus calculator as needed. (a) Is it appropriate to use the normal approximation to nd the probability that less than 8.1% of the individuals in the sample hold multiple jobs? If so, nd the probability. If not, explain why not. It (Choose one) Y appropriate to use the normal curve, since up : G (Choose one) Y 10. E 2 3 4 5 6 Future scientists: Education professionals refer to science, technology, engineering, and mathematics as the STEM disciplines. A research group reported that 27% of freshmen entering college in a recent year planned to major in a STEM discipline. A random sample of 85 freshmen is selected. Round the answer to at least four decimal places. Part: 0 / 6 Part 1 of 6 Is it appropriate to use the normal approximation to find the probability that less than 32% of the freshmen in the sample are planning to major in a STEM discipline? It (Choose one) v appropriate to use the normal curve, since np (Choose one) v 10 X and n (1 - p) = (Choose one) v 10.Blood pressure: High blood pressure has been identied as a risk factor for heart attacks and strokes. The proportion of U.S. adults with high blood pressure i: 0.3. A sample of 32 U.S. adults is chosen. Use the TI-84 Plus Calculator as needed. Round the answer to at least four decimal places. Is it appropriate to use the normal approximation to nd the probability that more than 44' of the people in the sample have high blood pressure? It (Choose one) Y appropriate to use the normal curve, since np D M10 E and n(1 7p) : D (Choose one) V 10- @234\" A Below, 71 is the sample size,p is the population proportion and p is the sample proportion. Use the Central Limit Theorem and the TI-84 calculator to find the probability. Round the answer to at least four decimal places. 11 : 101 p = 0.24 P(S