1 year ago

A teacher randomly chooses a two-person leadership team from a group of four qualified students. Three of the

1 answer:

3 0

Answer:

what is P(A), the probability that the first student is a boy? 3/5

what is P(B), the probability that the second student is a girl? 3/4

what is P(A and B), the probability that the first student is a boy and the second student is a girl? 1/2

No, évents A and B are not independent events

Step-by-step explanation:

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FinnZ [79.3K]

3.125

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The measurement of EF is EF=5.9

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likoan [24]

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6 mm

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Use the Pythagorean Theorem to solve for the unknown leg

$a^{2} +b^{2}=c^{2}$

Since we need to solve for a, we will manipulate the equation in terms of b and c → $a=\sqrt{c^{2}-b^{2} }$

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Plugging these numbers into our equation gives us $a=\sqrt{(\sqrt{85})^{2} -(7)^{2} }$ → $\sqrt{85-49}$ = $\sqrt{36}$ = 6 mm

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Dahasolnce [82]

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3 years ago

iragen [17]

I think it’s b.5. Hope this helps. :)

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