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mote1985 [20]
2 years ago
9

Whats is the value of x in 9/5x = 2/3

Mathematics
1 answer:
Gre4nikov [31]2 years ago
8 0

Answer:

The value of x is 0.37037 repeating

Step-by-step explanation: 9/5x=1.8 2/3=0.67 repeating then you do .67 divided by 1.8 and that gives you 0.37037 repeating.

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Step-by-step explanation:

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3 years ago
At a university, 60% of the 7,400 students are female. The student newspaper reports the results of a survey of a random sample
omeli [17]

Given Information:

Population mean = p  = 60% = 0.60

Population size = N = 7400

Sample size = n = 50

Required Information:

Sample mean = μ = ?

standard deviation = σ = ?

Answer:

Sample mean = μ = 0.60

standard deviation = σ = 0.069

Step-by-step explanation:

We know from the central limit theorem, the sampling distribution is approximately normal as long as the expected number of successes and failures are equal or greater than 10

np ≥ 10

50*0.60 ≥ 10

30 ≥ 10 (satisfied)

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50(0.40) ≥ 10

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The mean of the sampling distribution will be same as population mean that is

Sample mean = p = μ = 0.60

The standard deviation for this sampling distribution is given by

\sigma = \sqrt{\frac{p(1-p)}{n} }

Where p is the population mean that is proportion of female students and n is the sample size.

\sigma = \sqrt{\frac{0.60(1-0.60)}{50} }\\\\\sigma = \sqrt{\frac{0.60(0.40)}{50} }\\\\\sigma = \sqrt{\frac{0.24}{50} }\\\\\sigma = \sqrt{0.0048} }\\\\\sigma =  0.069

Therefore, the standard deviation of the sampling distribution is 0.069.

4 0
2 years ago
What is the linear equation for this table?
MrRa [10]

Answer:

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Step-by-step explanation:

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2 years ago
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Step-by-step explanation:

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3 years ago
144.144 in word form
Maksim231197 [3]

one hundred and forty four point one four four.

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3 years ago
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