A Recent Study from the University of California, Berkeley, Suggests

question 15

Essay

A recent study from the University of California, Berkeley, suggests that, compared to white Americans, black Americans are more likely to cross the race barrier in online dating. In a sample of 120 white men, 24 initiated contact with someone outside their race, whereas in a similar sample of 90 black men, 36 initiated contact with someone outside their race.
A) Specify the hypotheses to justify the suggestion.
B) Find the critical value(s) of the appropriate test at the 1% significance level.
C) Calculate the value of the test statistic.
D) Make a conclusion at the 1% significance level.

• A) Specify the hypotheses to justify the suggestion.
• B) Find the critical value(s) of the appropriate test at the 1% significance level.
• C) Calculate the value of the test statistic.
• D) Make a conclusion at the 1% significance level.

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Definitions:

Reticulocyte

Young red blood cell with a network of basophilic endoplasmic reticulum occurring in larger numbers during the process of active red blood cell synthesis.

Immature Red Blood Cell

A young red blood cell that is still developing and has not yet reached its fully mature form, capable of carrying oxygen efficiently.

RBCs

Red Blood Cells, which are essential for transporting oxygen from the lungs to the body's tissues and removing carbon dioxide.

Altitude

The height of an object or point in relation to sea level or ground level.