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Over [174]
3 years ago
13

I would like help plz​

Mathematics
1 answer:
Nuetrik [128]3 years ago
5 0

the answer are b,d and e....

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Answer the following correctly do not give foolish answers or i will report your account
Anvisha [2.4K]

Answer:

I don't know the answer but I have a suggestion, have you tried using 900gle lens app putting it on homework setting then scanning it for the answer

8 0
3 years ago
Researchers measured the bone mineral desnsity of the spines of 94 women who had taken teh drug CEE. The mean was 1.016 g/cm2, a
Valentin [98]

Answer:

The 95% confidence interval for the mean is between 0.985g/cm² and 1.047 g/cm².

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.95}{2} = 0.025

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.025 = 0.975, so z = 1.96

Now, find M as such

M = z*\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

M = 1.96*\frac{0.155}{\sqrt{94}} = 0.0310

The lower end of the interval is the mean subtracted by M. So it is 1.016 - 0.0310 = 0.985 g/cm²

The upper end of the interval is the mean added to M. So it is 1.016 + 0.0310 = 1.047 g/cm²

The 95% confidence interval for the mean is between 0.985g/cm² and 1.047 g/cm².

6 0
3 years ago
Change 2.1 to a mixed number​
Brut [27]

Answer: 2\frac{1}{10}

Step-by-step explanation:

2.1 is the same as 21/10

which will give 2\frac{1}{10}

4 0
3 years ago
Read 2 more answers
AMIGOS AND AMIGAS PLS HELP MY POOR BRAIN ILY FAM:<br> 1) 8+ 9p = 9p - 7<br> 2) 2(3x + 6) = 3(2x - 6)
olasank [31]

1. 9p - 9p = -8 - 7

0 = - 15

2. 6x + 12 = 6x - 18

6x - 6x = - 18 - 12

0 = - 30

That's what I got

6 0
2 years ago
greg spent 3 hours practicing his guitar . he spent the same amount of time practicing each of 4 songs. how many minutes did gre
umka21 [38]
He spent 45 minutes on each song
6 0
3 years ago
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