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larisa86 [58]
2 years ago
7

Which one should I choose

Mathematics
1 answer:
AnnyKZ [126]2 years ago
5 0

Answer:

i believe its 9 too

Step-by-step explanation:

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A record label surveyed 150 random visitors to its website to discover whether they prefer metal, rock, hip-hop, or jazz. The su
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Probability (rock) :

78 / 150 = 13/25 = 52%

Rock is preferred by 52% of the 150 visitors that were surveyed

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Subtract 3x from both sides
-4=2x-10
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Three experts gave opinions on how long a task will take to finish. The estimates were 29, 10, and 12 days (in no particular ord
nirvana33 [79]

Answer:

15

Step-by-step explanation:

PERT estimate is a measuring strategy that is based on a weighted average. It is used in measuring the uncertainty and risk via three estimates to determine an estimated likelihood for a project's cost or period of completion.

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Hence we have (10 + [4*12]+ 29) ÷ 6

= (10 + 48 + 29) ÷ 6

= 87÷6 = 14.5 ≈ 15

Rounded figure is equal to 15.

Hence the final answer to the question is 15

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What does this graph show<br> inverse <br>direct<br> neither​
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i think the given graph is inverse

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