LAST KHAN EVER 2024 GUIDE WITH ACTUAL QUESTIONS AND ANSWERS VERIFIED 100%;(GUARANTEED SUCCESS)

LAST KHAN EVER 2024 GUIDE WITH ACTUAL QUESTIONS AND ANSWERS VERIFIED 100%;(GUARANTEED SUCCESS) A city had an unemployment rate of 7%7%7, percent. The mayor pledged to lower this figure and supported programs to decrease unemployment H0:p=7% Ha:p<7% A newspaper report claims that 30%30%30, percent of all tea-drinkers prefer green tea to black tea. Leo is the office manager at a company with thousands of employees. ...equal to 30%30%30, percent. A quality control engineer is testing the battery life of a new smartphone. The company is advertising that the battery lasts 242424 hours on a full-charge, but the engineer suspects that the battery life is actually less than that. They take a random sample of 505050 of these phones to see if their average battery life is significantly less than 2424 H0:μ=24 hours Ha:μ<24 hours type ii error-b A healthcare provider saw that 48%48%48, percent of their members received their flu shot in a recent year. The healthcare provider tried a new advertising strategy in the following year, and they took a sample of members to test if the proportion who received their flu shot had changed. H0:p=48% Ha:p=48% Lena is a college basketball player who has made 75%75%75, percent of the free-throws she has attempted in her career. She decided to practice a new technique for shooting her free-throws. ...not equal to 75%75% A restaurant owner installed a new automated drink machine. The machine is designed to dispense 530 mL530 mL530, start text, space, m, L, end text of liquid on the medium size setting. H0:μ=530 mL Ha:μ>530 mL A fair coin should land showing tails with a relative frequency of 50%50%50, percent in a long series of flip H0:p=50% Ha:p>50% Reports say that the mean birth weight of babies of European heritage is 3.5 kg3.5 kg3, point, 5, start text, space, k, g, end text. Marta wants to perform a significance test to see if this holds true in her nation. ...equal to 3.5 kg3.5 kg3, point, 5, start text, space, k, g, end text. A fast-food company advertises that the pre-cooked weight for its burgers is, on average, 0.2 kg0.2 kg0, point, 2, start text, space, k, g, end text. The company runs a regular quality control test that involves weighing a sample of