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2 years ago

Help pls I dont know

Mathematics

2 answers:

liubo4ka [24]2 years ago

5 0

14 and -18 would be less than or equal too when the -y makes them -14 and 18 it is still less than 19

Lelu [443]2 years ago

4 0

Answer:

All of them are correct!

i hope this is correct! c:

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200% of 15 is what number

IrinaK [193]

Answer:

=200/100 ×15

=2×15

=30

Hope it helps...

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3 years ago

This problem asks you to investigate the average value of some different quantities.

son4ous [18]

Answer:

429

Step-by-step explanation:

First You add 2+2 and then you add 205+123+101+7

3 0

3 years ago

A Basket contains 3 types of fruits weighing 58/3 kg in all. If 73/9 kg of are apples,19/6 are oranges and the rest are pears. W

strojnjashka [21]

Answer:

Step-by-step explanation:

233 322

4 0

2 years ago

Lots of 40 components each are deemed unacceptable if they contain 3 or more defectives. The procedure for sampling a lot is to

MrRissso [65]

Answer:

The probability of founding exactly one defective item in the sample is P=0.275.

The mean and variance of defective components in the sample are:

$\mu=0.375\\\\\sigma^2=0.347$

Step-by-step explanation:

In the case we have a lot with 3 defectives components, the proportion of defectives is:

$p=3/40=0.075$

a) The number of defectives components in the 5-components sample will follow a binomial distribution B(5,0.075).

The probability of having one defective in the sample is:

$P(k=5)=\binom{5}{1}p^1(1-p)^4=5*0.075*0.925^4=0.275$

b) The mean and variance of defective components in the sample is:

$\mu=np=5*0.075=0.375\\\\\sigma^2=npq=5*0.075*0.925=0.347$

The Chebyschev's inequality established:

$P(|X-\mu|\geq k\sigma)\leq \frac{1}{k^2}$

6 0

3 years ago

Can someone help me please

Alex73 [517]

The answer is phoenix is located at (-7,-10) it is written like this because you always have the x coordinate then the y coordinate

5 0

3 years ago

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Help pls I dont know​

Help pls I dont know