2 A vaccination against flu is 95% effective, while those people not vaccinated have a 40%
chance of catching flu. If a person is selected
at random from a group of whom 20% have
been vaccinated, find the probability that he
catches the flu.
​

Item 1 solve for s. s+24=90 −114 −66 66 114

Multiply and simplify. 2x2y3z2 · 4xy4x2 how to do?

The vice president of programming at nbc is finalizing the prime-time schedule for the fall. she has decided to include a hospital drama but is unsure which of two possibilities to select. she has a pilot called the surgeon and another called critical care. to her make a final decision, a sample of 20 viewers from throughout the united states was asked to watch the two pilots and indicate which show they prefer. the results were that 12 liked the surgeon, 7 liked critical care, and one had no preference. state the decision rule, using the 0.10 significance level. h0: π = 0.50 h1: π ≠ 0.50 1. reject h0 if number of + signs is either < = or > = 2. what is your decision regarding h0? is there a preference for one of the two shows?