A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO is less than 4%.What are the null and alternative hypotheses? A)H0: p = 0.04 HA: p 0.04 C)H0: p 0.04 HA: p = 0.04

Question

A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO is less than 4%.What are the null and alternative hypotheses? A)H0: p = 0.04 HA: p < 0.04 B)H0: p = 0.04 HA: p > 0.04 C)H0: p < 0.04 HA: p = 0.04 D)H0: p < 0.04 HA: p > 0.04 E)H0: p > 0.04 HA: p = 0.04

Quizplus · Accepted Answer

The null hypothesis (H0) is a statement of no effect or no difference and is the hypothesis that the researcher seeks to disprove. It is set up as the status quo or the claim to be tested. In this case, the claim is that the proportion of Americans that have seen a UFO is equal to 4%, so H0: p = 0.04. The alternative hypothesis (HA) is what the researcher wants to prove, suggesting there is an effect or a difference. Since the researcher believes the proportion is less than 4%, the alternative hypothesis is HA: p < 0.04.

A Skeptical Paranormal Researcher Claims That the Proportion of Americans