The Quick Ship company uses the function C(w) to calculate the cost in dollars, C, for shipping an item weighing w ounces. Cw= 0.45w if 0 < W< 16 0.35W + 1.6 if w > 16 Which statement about the shipping rate is true? a) It is possible that an item welghing less than 16 ounces could cost the same as an Item weighing more than 16 ounces.

b) Shipping at the second rate will always cost $1.60 more than shipping at the first rate.

c) To find the charge for shipping a package weighing more than 16 ounces, multiply the weight by $0.35.

d) If the weight is greater than 16 ounces, the shipping rate is $0.35 per ounce, plus $1.60.

Do social recommendations increase ad effectiveness? a study of online video viewers compared viewers who arrived at an advertising video for a particular brand by following a social media recommendation link to viewers who arrived at the same video by web browsing. data were collected on whether the viewer could correctly recall the brand being advertised after seeing the video. the results are given below.correctly recalled the brandarrival 409153browsing20484b. conduct the hypothesis test, using the 0.025 level of significance.what is the value of the test statistic? χ2stat=what is the p-value? p-value=is this value significant atα=0.025?