THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 279

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Consider a sample space defined by events A₁,A₂,B₁,B₂.Let P(A₁)= 0.40 ,P(B₁ ∣ A₁)= 0.60
and P(B₁ ∣ A₂)= 0.70
-What is P(A₂)?

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Definitions:

Green Algae

Diverse group of photosynthetic organisms found primarily in aquatic environments, important for oxygen production and as a base in the food web.

Land Plants

Plants that have adapted to live in terrestrial habitats, exhibiting features such as roots, stems, and leaves for survival on land.

Red Tides

A phenomenon caused by algal blooms that turn the sea or other bodies of water a red or reddish color, often resulting in toxic effects on marine life.

Dinoflagellates

A group of single-celled organisms found in marine and freshwater environments known for their role in aquatic food chains and some can cause red tides.