Question

An Austrian study was completed to determine if untrained sea lions and sea lionesses could follow various experimenter given cues when given a choice of two objects. One experimenter-given cue was to point one of the objects. One sea Ioness, nam d Zwerg, successful y chose the ported at obrd 37 tirmes out of 48 trials. Does ths result show that Zwerg can comedy follow this rype of direction by an expenm enter more than 50% of the time? Which of the following best descibes the nual hypothesis and the aternative hypothesis using the appropriate symbol? ·m : ρ = 0.5, alternative滬く0.5 ma: »-0.5 , alternative: j) > 0.5 ma: π = 0.5 , alternative: π < 0.5 @ m : π 0.5 , alternative: π > 0.5 What is the observed proportion of times Zwerg picked the correct object? What symbol should you use to represent this value? (Round answer to 2 decioal places, e.g. 52.75) the absolute tolerance is +/-0.02

Answer 1

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