Use the Following to Answer Questions : in a Hypothesis

question 80

Short Answer

Use the following to answer questions : In a hypothesis test with hypotheses H₀ : μ=90 and H₁ : μ ≠ 90 , a random sample of 103 elements selected from the population produced a mean of 94.3. Assume that σ = 22.1, and that the test is to be made at the 5% significance level.
-Should you reject or fail to reject the null hypothesis in this test? (State your answer as "reject" or "fail to reject",but don't include the quotation marks.)

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Definitions:

Lichens

Symbiotic organisms composed of a fungi and a photosynthetic partner, usually an alga or cyanobacterium, living together in a mutually beneficial relationship.

Yeasts

Yeasts are single-celled fungi that are widely used in food production, especially in baking and brewing, due to their ability to ferment.

Chemoautotroph

An organism that derives its energy from chemicals and synthesizes its own organic compounds from carbon dioxide.

Mutualism

In ecology, a symbiotic relationship in which both partners benefit from the association. Compare with parasitism and commensalism.