She swims for 2.5 hours at a rate of 2 km/hr
Multiply 2.5 * 2 = 5 km
<span>The probability, or expectation value for X in a block, equals the number of occurrences of X in all the blocks divided by the total number of blocks
</span>
well E(X)=µ
and
Var(X)=E[(X-µ)^2]
Answer:
What is the question?
Step-by-step explanation:
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