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3 years ago

What is 216847.314 rounded by the nearest liter

Mathematics

1 answer:

erica [24]3 years ago

3 0

Jjnjjnjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj

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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

The sample size = 300

By suing normal approximation to the binomial , we have

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

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

Now, using formula $z=\dfrac{x-\mu}{\sigma}$ , the z-value corresponding to 26 will be :-

$z=\dfrac{26-23.1}{4.62}\approx0.63$

Using standard distribution table for z , we have

P-value= $P(z\geq0.63)=1-P(z$

$=1-0.7356527=0.2643473\approx0.2643$

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

6 0

3 years ago

Mhmhmhmhmhmhmhmhmhmhmhmh

yarga [219]

Answer:

3.59

Step-by-step explanation:

-×-=+

-2.31+5.9

=3.59

please like and Mark as brainliest

5 0

3 years ago

Race car driver Mario won 3 races and earn 75 points for each win. During the fourth race, he had dedications of 55 points, 104

svet-max [94.6K]

Answer:

he has 472 points now.

Step-by-step explanation:

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3 years ago

HELP HELP IT WORTH A LOT OF POINTS

iren2701 [21]

Answer:

radius= diameter/2= 10/2

*radius=5

circumference= diameter*pi=10*3.14

*circumference=31.4

Step-by-step explanation: hope this helps

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2 years ago

What’s the answer? Because I can’t find it out myself

11Alexandr11 [23.1K]

Answer: 1, 5, 2

All you do is subtract 3 from the y

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3 years ago

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