Carl hits the target 50% of the time he throws a ball at it. Carl uses a coin to simulate his next

three pitches. He assigns H for a hit and T for a

miss. The results of 12 trials are shown below.

HHT HTH TTH HTT THT THH

HHT HTT HTH HTT TTH THT

Based on the results, what is the probability that

Carl will hit the target with exactly two of his

next three throws?

QUIC!!!

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?