3 years ago

What is 20% of 1/3 ???????

Mathematics

2 answers:

nata0808 [166]3 years ago

8 0

The answer is 0.6666666666 but to simplify it you can put 0.6

love history [14]3 years ago

3 0

0.666666666 (repeated)

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3 years ago

In a certain city of several million people, 7.7% of the adults are unemployed. If a random sample of 300 adults in this city is

Lilit [14]

Answer: 0.2643

Step-by-step explanation:

Given : The proportion of adults are unemployed : p=0.077

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By suing normal approximation to the binomial , we have

$\mu=np=300\times0.077=23.1$

$\sigma=\sqrt{np(1-p)}=\sqrt{300\times0.077(1-0.077)}\\\\=4.61749932323\approx4.62$

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Hence, the probability that at least 26 in the sample are unemployed =0.2643

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3 years ago

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3 years ago

What is (4.25-1.75) divided by 25=

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2 years ago

Read 2 more answers