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lidiya [134]
3 years ago
10

Evaluate: (9/64)^1/2

Mathematics
2 answers:
Zarrin [17]3 years ago
4 0

Answer:

3/8

Step-by-step explanation:

If 1/2 is an exponent, it is essentially taking the square roots of the numbers. When you take the square root of a fraction, you take the roots of both the numerator and denominator.

Anna [14]3 years ago
3 0

Answer:

\frac{3}{8}

Step-by-step explanation:

Using the rules of exponents

(a^m)^{n} = a^{mn}

a^{\frac{1}{2} } = \sqrt{a}

Hence

\frac{9^{\frac{1}{2} } }{64^{\frac{1}{2} } }

= \frac{\sqrt{9} }{\sqrt{64} } = \frac{3}{8}

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Answer:

Step-by-step explanation:

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REcall the following formula

P(A\cupB ) = P(A)+P(B)-P(A\cap B)

Note that P(A) + P(B) = 1.1. Since the probability is always a number between 0 and 1, it must happen that P(A\cap B) >0, otherwise, A\cup B would have a probability greater than 1. Hence, A, B are not mutually exclusive.

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c) Recall that if we have mutuallly exclusive events A, B, then we have that  P(A\cap B)=0, if they were independent, we would have the following

P(A) P(B) =0

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30 POINTS NO TRICKS JUST 30 POINTS FOR YOU!!!!!!
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