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blagie [28]
3 years ago
13

Which of the following is false?

Mathematics
1 answer:
attashe74 [19]3 years ago
7 0

Answer:

A

Step-by-step explanation:

A because the height and age are sometimes not proportional or ideal. Some kids don't develop due to health problems for example, which make them look smaller than normal. Other people might a conditions, which makes them grow to tall.

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Suppose you have a sample of size 42 with a mean of 30 and a population standard deviation of 7.4. What is the maximal margin of
9966 [12]

Answer:

The maximal margin of error associated with a 95% confidence interval for the true population mean is 2.238.

Step-by-step explanation:

We have given,

The sample size n=42

The sample mean \bar{x}=30

The population standard deviation \sigma=7.4

Let \alpha be the level of significance = 0.05

Using the z-distribution table,

The critical value at 5% level of significance and two tailed z-distribution is

\pm z_{\frac{0.05}{2}}=\pm 1.96

The value of margin of error is

ME=z_{\alpha/2}(\frac{\sigma}{\sqrt{n}})

ME=1.96(\frac{7.4}{\sqrt{42}})

ME=1.96(1.1418)

ME=2.238

The maximal margin of error associated with a 95% confidence interval for the true population mean is 2.238.

4 0
3 years ago
Someone please solve this. If m(x)= x^3 - 5x + 7 & f(x)= 2x - 3 What does: m(-3) - f(-3)
timofeeve [1]

Answer:

-2

step by step

(-3)^3-5(-3)+7-((2(-3)-3))

-27+15+7-(-6-3)

-27+15+7-(-3)

-27+15+7+3

-27+25

=-2

8 0
2 years ago
I need help no ilnks please and thank you
Elza [17]

Answer:

yep

Step-by-step explanation:

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8 0
3 years ago
(10 points) Suppose an advance in technology in Macroland leads to an improvement in labor
lidiya [134]

lol rofl

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3 years ago
A farmer has 2,928 strawberries. He has 24 boxes and wants an equal number of strawberries in each
melomori [17]

Answer:

122 strawberries

Step-by-step explanation:

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3 years ago
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