Instruction 10-10 The Dean of a College Is Interested in the Proportion

question 143

Multiple Choice

Instruction 10-10
The dean of a college is interested in the proportion of graduates from his college who have a job offer on graduation day.He is particularly interested in seeing if there is a difference in this proportion for accounting and economics majors.In a random sample of 100 of each type of major at graduation,he found that 65 accounting students and 52 economics students had job offers.If the accounting students are designated as "Group 1" and the economics students are designated as "Group 2",perform the appropriate hypothesis test using a level of significance of 0.05.
-Referring to Instruction 10-10,the hypotheses the dean should use are

• A)H₀: π₁ - π₂ ≤ 0 versus H₁: π₁ - π₂ > 0.
• B)H₀: π₁ - π₂ = 0 versus H₁: π₁ - π₂ ≠ 0.
• C)H₀: π₁ - π₂ ≠ 0 versus H₁: π₁ - π₂ = 0.
• D)H₀: π₁ - π₂ ≥ 0 versus H₁: π₁ - π₂ < 0.

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Definitions:

Ionizing Radiation

Radiation that carries enough energy to liberate electrons from atoms or molecules, thereby ionizing them.

Spent Fuel Rods

Used nuclear reactor fuel that is no longer efficient in generating power but remains radioactive and hazardous.

Depleted Uranium

Uranium with a lower content of the fissile isotope U-235 than natural uranium, used in military applications and for counterweights.