The First Successful Landers on the Surface of Mars Were

question 5

Multiple Choice

The first successful landers on the surface of Mars were:

• A)Mariners 4 and 5 in 1965.
• B)Vikings 1 and 2 in 1976.
• C)Voyagers 1 and 2 in 1979.
• D)Pathfinder and Sojourner in 1997.
• E)Spirit and Opportunity in 2004.

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Definitions:

P-value Approach

A method in hypothesis testing that uses the p-value, the probability of obtaining test results at least as extreme as the observed, under the assumption the null hypothesis is true.

Critical Values

Specific points along the scale of a test statistic that delineate the acceptance or rejection of the null hypothesis.

Two-Tailed Hypothesis

A statistical test where the area of interest lies in both tails of the distribution, testing for the possibility of a relationship in both directions.

Level of Significance

A threshold used to decide whether a hypothesis test results are statistically significant.