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yKpoI14uk [10]
3 years ago
11

2. Explanation

Mathematics
2 answers:
Gelneren [198K]3 years ago
6 0

Answer:

. vvcgv dc dgg t.v. grff cft

Butoxors [25]3 years ago
3 0

Answer:

x%3

Step-by-step explanation:

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A researcher selects a sample of 49 participants from a population with a mean of 12 and a standard deviation of 3.5. What is th
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Answer:

The probability of selecting a sample mean of 13 or larger from this population is 0.0228

Step-by-step explanation:

A researcher selects a sample of 49 participants from a population with a mean of 12 and a standard deviation of 3.5.

n = 49

\mu = 12

\sigma = 3.5

We are supposed to find the probability of selecting a sample mean of 13 or larger from this population i.e.P(x\geq 13)

Z=\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}}

Z=\frac{13-12}{\frac{3.5}{\sqrt{49}}}

Z=2

Refer the z table

P(Z

P(x\geq 13)=1-P(Z

Hence the probability of selecting a sample mean of 13 or larger from this population is 0.0228

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Decrease £101 by 43%
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101 - Percentage decrease =

101 - (43% × 101) =

101 - 43% × 101 =

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Gabriela has an apartment that costs 30% of her monthly budget, which is $3,575. What is the amount of money she has left over f
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$3003

Step-by-step explanation:

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0.84%/100×$3,575

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$3003

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9.9% to a decimal is 0.099

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