Following Are Observed Frequencies $H _ { 0 } : p _ { 1 } = 0.35 , p _ { 2 } = 0.25$

question 60

Multiple Choice

Following are observed frequencies. The null hypothesis is $H _ { 0 } : p _ { 1 } = 0.35 , p _ { 2 } = 0.25$ , $p _ { 3 } = 0.1 , p _ { 4 } = 0.1 , p _ { 5 } = 0.2$ .
$\begin{array}{l|lllll}\text { Category } & 1 & 2 & 3 & 4 & 5 \\\hline \text { Observed } & 43 & 20 & 10 & 4 & 31\end{array}$

Compute the expected frequencies.

• A) 37.8, 27, 10.8, 10.8, 21.6
• B) 0.398, 0.185, 0.093, 0.037, 0.287
• C) 43, 20, 10, 4, 31
• D) 21.6, 21.6, 21.6, 21.6, 21.6

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Definitions:

Plate Boundary

The edges where two or more of Earth's tectonic plates meet, which are zones of seismic and volcanic activity.

Seafloor Spreading

The formation of fresh oceanic crust at mid-ocean ridges, which gradually drifts away from the ridge, aiding in the movement of continents.

Magnetic Stripe

Linear patterns of magnetism found on the seabed that are parallel to ocean ridges, providing evidence for the theory of plate tectonics.

Magnetic Field

a vector field surrounding magnets and electric currents, representing the force exerted by magnets on moving charges and magnetic materials.