Construct a 98 % Confidence Interval For $P _ { 1 } - P _ { 2 }$

question 15

Multiple Choice

Construct a 98 % confidence interval for $P _ { 1 } - P _ { 2 }$ The sample statistics listed below are from independent samples.
Sample statistics: $\mathrm { n } _ { 1 } = 1000 , \mathrm { x } _ { 1 } = 250 , \text { and } \mathrm { n } _ { 2 } = 1200 , \mathrm { x } _ { 2 } = 195$

• A) (0.047,0.128)
• B) (-0.621,0.781)
• C) (0.581,1.819)
• D) (1.516,3.021)

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Definitions:

Building Block

A fundamental component or base element used for constructing larger structures or systems.

Isotope

Variants of a particular chemical element which differ in neutron number, and consequently in nucleon number, but share the same number of protons.

Subatomic Particles

Particles that are smaller than an atom, including protons, neutrons, and electrons, which make up the atoms' structure.

Protons

Positively charged particles found in the nucleus of an atom.