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3 years ago

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508 exceeds six times a number by 70. What is the number?

2 answers:

GaryK [48]3 years ago

6 0

Answer:

bbbbbbhhhhh2YGGggff ubhklljj

MAVERICK [17]3 years ago

4 0

Answer:

A number is a mathematical object used to count, measure, and label. The original examples are the natural numbers 1, 2, 3, 4, and so forth. Numbers can be represented in language with number words

Step-by-step explanation:

mark as me brainliest

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A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n=918 and x=521 who said "

s2008m [1.1K]

Answer:

B) The margin of error is 0.0269.

C) The confidence interval is (0.5406, 0.5944).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence level of $1-\alpha$ , we have the following confidence interval of proportions.

$\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}$

In which

z is the zscore that has a pvalue of $1 - \frac{\alpha}{2}$ .

The margin of error is:

$M = z\sqrt{\frac{\pi(1-\pi)}{n}}$

In the poll, n=918 and x=521 who said "yes."

This means that $n = 918, \pi = \frac{521}{918} = 0.5675$

90% confidence level

So $\alpha = 0.1$ , z is the value of Z that has a pvalue of $1 - \frac{0.1}{2} = 0.95$ , so $Z = 1.645$ .

B) Identify the value of the margin of error E.

$M = z\sqrt{\frac{\pi(1-\pi)}{n}}$

$M = 1.645\sqrt{\frac{0.5675*0.4325}{918}} = 0.0269$

The margin of error is 0.0269.

C) construct the confidence interval.

$\pi \pm M$

So

$\pi - M = 0.5675 - 0.0269 = 0.5406$

$\pi + M = 0.5675 + 0.0269 = 0.5944$

The confidence interval is (0.5406, 0.5944).

5 0

3 years ago

Write down the lengths of AB, CD, AC, and BD

pishuonlain [190]

I don’t have enough info to solve your problem

7 0

2 years ago

If I rode a length of 105 minutes for $6.50 and I wanted to ride an extra 30 minutes for $9 more, what is the equation?

atroni [7]

105x=6.50 (first ride)
30x=9 (second ride)

105x+30x=6.50+9

6 0

4 years ago

Please help me!! i’ll give brainlist and points to you

ziro4ka [17]

Answer:

1. 3 examples are: (-3.6,-22), (2.8,10),(4.6,19)

2. (-5,-29) does fall on the line so it is a solution.

Step-by-step explanation: I'm just now learning this, so im sorry if it's wrong:(, i tried!!

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2 years ago

What is the equation for the line in slope-intercept form

Digiron [165]

Y=m x+b
y = y coordinate
m = slope
x = x coordinate
b = y intercept

7 0

3 years ago