In addition to knowing a person's blood type, it is important to also know whether their...

	Type
Rh Factor	A	B	AB	O
Positive	61	14	19	75
Negative	9	8	8	15

Given:

H₀: Rh factor and blood types are independent.
H_a: Rh factor and blood types are dependent.

Find:

Find the test statistic. (Round your answer to two decimal places.)

Χ² = ??

Find the rejection region. (Round your answer to two decimal places.)

Χ² > ??

Given: H₀ is rejected. There is sufficient evidence to conclude that Rh factor and blood types are dependent.

FInd:

Calculate the proportion of Rh negative blood types within each of the A, B, AB, and O categories. (Round your answers to three decimal places.)

p̂_A= ??

p̂_B= ??

p̂_AB= ??

p̂_O= ??

Solutions

Expert Solution

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