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3 years ago

Please solve it CORRECTLY step by step asap

Mathematics

1 answer:

Lorico [155]3 years ago

6 0

Answer:

$Product = \frac{3}{5}ab$

Step-by-step explanation:

Given

$-\frac{3}{7}a$

$-\frac{21}{15}b$

Required

The product

The product is:

$Product = -\frac{3}{7}a * -\frac{21}{15}b$ '

Cancel out the negative signs

$Product = \frac{3}{7}a * \frac{21}{15}b$

Simplify fractions

$Product = \frac{1}{7}a * \frac{21}{5}b$

$Product = \frac{1}{1}a * \frac{3}{5}b$

$Product = \frac{3}{5}ab$

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3 years ago

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a) 0.172

b) 0.167

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Step-by-step explanation:

Margin of error, E = $2\times\sqrt{\frac{p(1-p)}{n}}$

here,

p = probability of the event

n = sample size

a) n = 30

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Therefore,

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Therefore,

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2 years ago

Please solve it CORRECTLY step by step asap​

Please solve it CORRECTLY step by step asap