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SVETLANKA909090 [29]
2 years ago
10

NEED HELP ASAP PLEASE !!

Mathematics
2 answers:
Bond [772]2 years ago
5 0

Answer:1 no u next 1 iss nnnnnnnnnoooooooo uuuuuuuuu

Step-by-step explanation:

icang [17]2 years ago
3 0

Answer:

with what?

Step-by-step explanation:

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Based on historical data, your manager believes that 40% of the company's orders come from first-time customers. A random sample
Vedmedyk [2.9K]

Answer:

P(0.26 \leq p \leq 0.43)=0.7204-0.0032=0.7172

Step-by-step explanation:

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

The population proportion have the following distribution

p \sim N(p=0.4,\sqrt{\frac{p(1-p)}{n}}=\sqrt{\frac{0.4(1-0.4)}{91}}=0.0514)

And we can solve the problem using the z score on this case given by:

z=\frac{p_o -p}{\sqrt{\frac{p(1-p)}{n}}}

We are interested on this probability:

P(0.26 \leq p \leq 0.43)

And we can use the z score formula, and we got this:

P(\frac{0.26 -0.4}{\sqrt{\frac{0.4(1-0.4)}{91}}} \leq Z \leq \frac{0.43 -0.4}{\sqrt{\frac{0.4(1-0.4)}{91}}})

P(-2.726 \leq Z \leq 0.584)

And we can find this probability like this:

P(-2.726 \leq Z \leq 0.584)=P(Z

7 0
3 years ago
Find the remainder when 2 power 1990 is divided by 1990
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2 years ago
What is the value of x is in the solution set of 8x-6>12+2x?​
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Answer:

see explanation

Step-by-step explanation:

Given

8x - 6 > 12 + 2x ( subtract 2x from both sides )

6x - 6 > 12 ( add 6 to both sides )

6x > 18 ( divide both sides by 6 )

x > 3

Any value of x greater than 3 will be in the solution set

7 0
2 years ago
Expertsss/aceee plzzz helpppp quickkklyyyy
Law Incorporation [45]
I would think that it would be A.... I am an expert but, only in 8th, so I would double check.
8 0
3 years ago
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