1 year ago

Rhombus ABCD has a diagonal BD¯¯¯¯¯.

Mathematics

1 answer:

Alexxandr [17]1 year ago

7 0

Use gauthmath it can help with any math problem 3EMB3R use this code to get more tickets

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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.

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2 years ago

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1 year ago

Help please! I have to answer what is wrong with this ,but I am getting really confused.

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Answer:

x = 113

Step-by-step explanation:

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A line passes through the points (-6,4) and (-2,2). Which is the equation of the line?

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12x-39≤9 AND −4x+3<−6

Elza [17]

Answer:

9/4<x≤4 or all real numbers

Step-by-step explanation:

I'm not sure what you are asking

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