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maw [93]
2 years ago
6

Millie truncates the number N to 1 digit the result is 8 write down the error interval

Mathematics
1 answer:
juin [17]2 years ago
5 0

Answer:

Interval for N ⇒ 8 ≤ N < 9

The interval error is ⇒ 0 ≤ <u>error </u>< 1

Step-by-step explanation:

Truncate a number means  we find an estimate for the number without doing any rounding.

To truncate a number to 1 digit, miss off all the digits after the decimal point.

So, for the giving problem:

Truncates the number N to 1 digit the result is 8 write down the error interval

So, the number will between 8 and 9

So, the interval for N ⇒ 8 ≤ N < 9

And the interval error (e) is ⇒ 0 ≤ e < 1

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A jar contains 100 coins. If it is very unlikely that you will randomly choose a quarter out of the jar, how many quarters could
lidiya [134]

Answer:

10

Step-by-step explanation:

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2 years ago
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No, it’s not the same Dylan makes 10.5 an hour and Angela makes 10 per hour
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3 years ago
A simple random sample of size n=250 individuals who are currently employed is
Likurg_2 [28]

Answer:

0.104 - 2.58\sqrt{\frac{0.104(1-0.104)}{250}}=0.054

0.104 + 2.58\sqrt{\frac{0.104(1-0.104)}{250}}=0.154

The 99% confidence interval would be given by (0.054;0.154) . So we are confident at 99% that the true proportion of people that they did work at home at least once per  week is between 0.054 and 0.154

Step-by-step explanation:

For this case we can estimate the population proportion of people that they did work at home at least once per  week with this formula:

\hat p = \frac{X}{n}= \frac{26}{250}= 0.104

We need to find the critical value using the normal standard distribution the z distribution. Since our condifence interval is at 99%, our significance level would be given by \alpha=1-0.99=0.01 and \alpha/2 =0.005. And the critical value would be given by:

z_{\alpha/2}=-2.58, z_{1-\alpha/2}=2.58

The confidence interval for the mean is given by the following formula:  

\hat p \pm z_{\alpha/2}\sqrt{\frac{\hat p (1-\hat p)}{n}}

If we replace the values obtained we got:

0.104 - 2.58\sqrt{\frac{0.104(1-0.104)}{250}}=0.054

0.104 + 2.58\sqrt{\frac{0.104(1-0.104)}{250}}=0.154

The 99% confidence interval would be given by (0.054;0.154) . So we are confident at 99% that the true proportion of people that they did work at home at least once per  week is between 0.054 and 0.154

3 0
2 years ago
Solve 6^x+2 = 10 for x using the change of base formula
pashok25 [27]

Answer:

x\approx-0.7149

Step-by-step explanation:

\displaystyle 6^{x+2}=10\\\\\log_6(6^{x+2})=\log_6(10)\\\\x+2=\frac{\log(10)}{\log(6)}\\\\x+2\approx1.2851\\\\x\approx-0.7149

Recall that the change of base formula is \displaystyle \log_a(b)=\frac{\log(b)}{\log(a)}

3 0
1 year ago
3
Pani-rosa [81]

Answer:

i thinks it's b

Step-by-step explanation:

I do not no tho

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3 years ago
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