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ad-work [718]
2 years ago
5

How old are you?non statiscal

Mathematics
1 answer:
dem82 [27]2 years ago
3 0

Answer:

5

Step-by-step explanation:

the steps are simple my mom made me which then I had to wait 5 weeks

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Solve 2(4x + 5) > 7x + 20.
Karolina [17]

Answer: {x | x > 10}

Step-by-step explanation:

2(4x+5)>7x+20

8x+10>7x+20

1x+10>20

1x>10

x>10

Hope this helps!   :)

5 0
3 years ago
A basketball coach uses a coordinate grid to mark the position and
solniwko [45]

Answer:

Step-by-step explanation:

8 0
3 years ago
What is equivalent set​
stiks02 [169]

Step-by-step explanation:

An equivalent set is a set that has equal numbers or items.

4 0
3 years ago
In experiments where participants were allowed to sleep for an unlimited amount of time, participants tended to sleep 12 or more
Butoxors [25]

Answer:

Sleep debt

Step-by-step explanation:

Also called sleep deficit, sleep debt can be likened to a deficit in the bank such as a loan that must be repaid. The deficit accumulates and will have to balanced or there would be mental or psychological effect on the affected person. Research by The national sleep foundation requires Americans to sleep at least 7.1 hours per day.

There two types of sleep deprivation or sleep deficit: partial sleep deprivation and total sleep deprivation. In Partial sleep deprivation, the person may not get enough sleep per day example not up to 7.1 hours per day. Total sleep deprivation means that the affected person does not sleep for up 24 hours ie a full day.

7 0
3 years ago
Mathematical Statistics with Applications Help Homework
Mars2501 [29]

7.43: Let X denote the random variable for height and \overline X for the sample mean. Then if \mu is the mean of

So the probability that the difference between the sample and population means does not exceed 0.5 inch is

P(|\overline X-\mu|\le0.5) = P\left(\left|\dfrac{\overline X-\mu}{0.25}\right|\le\dfrac{0.5}{0.25}\right) = P(|Z|\le 2) \approx \boxed{0.95}

per the empirical or 68/95/99.7 rule.

7.44: For a sample of size <em>n</em>, the sample standard deviation would be \frac{2.5}{\sqrt n}. We want to find <em>n</em> such that

P(|\overline X-\mu| < 0.4) = 0.95

Comparing to the equation from the previous part, this means we would need

\dfrac{0.4}{\frac{2.5}{\sqrt{n}}} = 0.16\sqrt n = 2 \implies \sqrt n = 12.5 \implies n = 156.25

so a sample of at least 157 men would be sufficient.

7 0
3 years ago
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