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3 years ago

10

Which coordinate pair is in the solution set for y < 1 − 6x?

1 answer:

dexar [7]3 years ago

4 0

As an open ended question there are infinitely many answers.
Graph the line y=-6x+1 and look for an answer that is below/to the left of the line.

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Approximately 5% of calculators coming out of the production lines have a defect. Fifty calculators are randomly selected from t

baherus [9]

Answer:

0.2611 = 26.11% probability that exactly 2 calculators are defective.

Step-by-step explanation:

For each calculator, there are only two possible outcomes. Either it is defective, or it is not. The probability of a calculator being defective is independent of any other calculator, which means that the binomial probability distribution is used to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

In which $C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

And p is the probability of X happening.

5% of calculators coming out of the production lines have a defect.

This means that $p = 0.05$

Fifty calculators are randomly selected from the production line and tested for defects.

This means that $n = 50$

What is the probability that exactly 2 calculators are defective?

This is P(X = 2). So

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

$P(X = 2) = C_{50,2}.(0.05)^{2}.(0.95)^{48} = 0.2611$

0.2611 = 26.11% probability that exactly 2 calculators are defective.

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2 years ago

-1 - ( -2 ) = Can you help me with this question :)

wolverine [178]

Answer:

-1 - ( -2 ) = 1

Step-by-step explanation:

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1 year ago

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HELP IF RIGHT I WILL MARK BRAINLIEST!!!! TRUST

DENIUS [597]

Answer:

I came up with 412cm^2

Step-by-step explanation:

10*12+(12*2)2+(10*2)2+6*8+(8*3)2+(6*3)2+(12*10-6*8)

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2 years ago

The function t relates the age of a plant fossil in years to the percentage c of carbon remaining in the fossil relative to when

STALIN [3.7K]

Answer: For plato family

A fossil with 47% of its carbon remaining is approximately how old

2998

A fossil that is 7000 years old will have approximately

17%

Step-by-step explanation:

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2 years ago

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Part A: What is the joint frequency for females that like baseball?

timama [110]

Part A: Is 32

Part B: Is 32.4%

Part C: is “He is correct because the conditional probabilities of liking soccer are the same (when rounded to the nearest whole number).

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3 years ago