Coffee: The National Coffee Association reported that 61% of U.S. adults drink coffee daily. A random sample of 250 U.S. adults is selected. Round your answers to at least four decimal places as needed. Part 1 of 6 (a) Find the mean WA. The mean UA is .61 . Alternate Answer: The mean UA is 0.61. Part 2 of 6 (b) Find the standard deviation GA. The standard deviation Or is .0308 Alternate Answer: The standard deviation on is 0.0308. Part: 2 / 6 Part 3 of 6 (c) Find the probability that more than 65% of the sampled adults drink coffee daily. The probability that more than 03%% of the sampled adults drink coffee daily isSmartphones: A poll agency reports that 52% of teenagers aged 12-17 own smartphones. A random sample of 200 teenagers is drawn. Round your answers to at least four decimal places as needed. Part 1 of 6 (a) Find the mean WA The mean WA is |.52 Alternate Answer: 0.52 Part 2 of 6 V (b) Find the standard deviation GA. The standard deviation GA is 0353 Alternate Answer: 0.0353 Part: 2 / 6 Part 3 of 6 (c) Find the probability that more than 35% of the sampled teenagers own a smartphone. The probability that more than 35% of the sampled teenagers own a smartphone isAbout 13% of employed adults in'the United States held multiple jobs. A Iandom sample of T4 employed adults is chosen. Use the 1184 PlIIs calculator as needed. [a] Is it apprepriate to use the normal approximation to nd ue probability that less than 11% of the individuals in le sample hold multiple jobs? If so, nd the probability. If not, explain why not. -It is not 1' I appropriate to use ue normal isor'iireJ since 11}: = a; T l 10. {ii} A new sample of -employed adults is elmseng Find the probability that less than 11% of the individuals in this sample hold multiple jobs. Round the answer to at. least four decimal places. 111e probability that lessthan '11 1% of the individuals in this sample hold multiple jobs is [c] Find the probability that more than _% of the individuals in thesa'mple ofi hold multiple jobs. Round the answer to at. least four decimal planes. The probability lat more than 6\". of'indiyiduals in the sample -o-f225 hold multiple jobs is |:]