2 years ago

Please help me solve this maths problem ☺

1 answer:

8 0

I cant see the image sorry man wish i could help

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kotegsom [21]

I completely forgot how to do this but maybe multiply the angles I’m so sorry

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Yanka [14]

A) is 0.83 and idk how to do b)

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2 years ago

ale4655 [162]

Answer:

420 people

Step-by-step explanation:

400*1.05=420

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telo118 [61]

Answer:

it is 8

Step-by-step explanation:

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2 years ago

victus00 [196]

Answer: 0.2401

Step-by-step explanation:

The binomial distribution formula is given by :-

$P(x)=^nC_xp^x(1-p)^{n-x}$

where P(x) is the probability of x successes out of n trials, p is the probability of success on a particular trial.

Given : The probability that a randomly chosen citizen-entity of Cygnus is of pension age† is approximately: p =0.7.

Number of trials : n= 4

Now, the required probability will be :

$P(x=4)=^4C_4(0.7)^4(1-0.7)^{4-4}\\\\=(1)(0.7)^4(1)=0.2401$

Thus, the probability that, in a randomly selected sample of four citizen-entities, all of them are of pension age =0.2401

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2 years ago