3 years ago

Factorise the following fully: 6a⁴b⁶-8a³b⁵+12a²b³

Mathematics

1 answer:

AlladinOne [14]3 years ago

5 0

Answer:

2a^2 b^3(3a^2 b^3 - 4ab^2 + 6)

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Suppose 40% of the students in a university are baseball players. If a sample of 781 students is selected, what is the probabili

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Answer:

$P(p>0.43) = 0.0436$

Step-by-step explanation:

Given

$p = 40\%$ -- proportion of baseball players

$n = 781$ --- selected sample

Required

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First, calculate the z score using:

$Z = \frac{\^{p}-p}{\sqrt{\frac{p(1-p)}{n}}}$

This gives:

$Z = \frac{48\%-40\%}{\sqrt{\frac{40\% *(1 - 40\%)}{781}}}$

Convert % to decimal

$Z = \frac{0.43-0.40}{\sqrt{\frac{0.40 *(1 - 0.40)}{781}}}$

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3 years ago

Factorise the following fully: 6a⁴b⁶-8a³b⁵+12a²b³​

Factorise the following fully: 6a⁴b⁶-8a³b⁵+12a²b³