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laiz [17]
2 years ago
13

I need help with a math problem

Mathematics
1 answer:
Neko [114]2 years ago
7 0
Which one I can help with anyone

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A ________ is the complete collection of all measurements or data collected, whereas, a ________ is a subcollection of members s
telo118 [61]

Answer: Population and sample

Step-by-step explanation:

A population is the complete collection of all measurements or data collected, whereas, a sample is a subcollection of members selected from the complete collection

4 0
2 years ago
Read 2 more answers
According to police sources, a car with a certain protection system will be recovered 87% of the time. Find the probability that
WITCHER [35]

Answer: 0.01145

Step-by-step explanation:

We use Binomial distribution , where the probability of getting x successes in n trial is given by :-

P(x)=^nC_xp^x(1-p)^{n-x} , p = probability of getting each success in each trial.

As per given

The proportion that a car with a certain protection system will be recovered= p=0.87

n= 8

Let x be the number of cars will be recovered.

Then, the probability that 4 of 8 stolen cars will be recovered:

P(X=4)=^8C_4(0.87)^4(1-0.87)^{8-4}

=\dfrac{8!}{4!(8-4)!}(0.87)^4(0.13)^4\\\\= 70(0.57289761)(0.00028561)\\\\=0.0114537700474\approx0.01145

Hence, the required probability is 0.01145.

5 0
3 years ago
Can somebody please help this is due very soon
joja [24]

Your answer is

  1.  Slope = -1.000/2.000 = -0.500
  2. x-intercept = 7/1 = 7.00000
  3. y-intercept = 7/2 = 3.50000

Step-by-step explanation:

4 0
2 years ago
If f(x) = -3x4 - 2x3 + 3x2, and g(x) = 3x4 - 4x3 + x2 then f(x) + g(x) =
Alex_Xolod [135]
I'm assuming the the numbers coming after the variables are meant to be exponents, and if I'm wrong just let me know

-3x^4 - 2x^3 + 3x^2 + 3x^4 - 4x^3 + x^2, rearrange to have like terms in order
-3x^4 +3x^4 - 2x^3 - 4x^3 +3x^2 + x^2, now simplify
                0    -6x^3 + 4x^2
6 0
3 years ago
Cory is a bird watch he estimated that 30% of the birds American , 20 % ne eyed , and 20 designs n simulation Let , 1 and 2 repr
sleet_krkn [62]

Answer:

I believe the answer is C. 0.75

Step-by-step explanation:

7 0
3 years ago
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