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3 years ago

Along which axis is the dependent variable traditionally plotted?

Mathematics

1 answer:

Dvinal [7]3 years ago

7 0

The y axis for dependent variables and x axis for independent

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Scores on a college entrance examination are normally distributed with a mean of 500 and a standard deviation of 100. What perce

Alla [95]

Answer:

The percentage is $P(350 < X 650 ) = 86.6\%$

Step-by-step explanation:

From the question we are told that

The population mean is $\mu = 500$

The standard deviation is $\sigma = 100$

The percent of people who write this exam obtain scores between 350 and 650

$P(350 < X 650 ) = P(\frac{ 350 - 500}{ 100}$

Generally

$\frac{X - \mu }{\sigma } = Z (The \ standardized \ value \ of \ X )$

$P(350 < X 650 ) = P(\frac{ 350 - 500}{ 100}$

$P(350 < X 650 ) = P(-1.5$

$P(350 < X 650 ) = P(Z < 1.5) - P(Z < -1.5)$

From the z-table $P(Z < -1.5 ) = 0.066807$

and $P(Z < 1.5 ) = 0.93319$

=> $P(350 < X 650 ) = 0.93319 - 0.066807$

=> $P(350 < X 650 ) = 0.866$

Therefore the percentage is $P(350 < X 650 ) = 86.6\%$

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3 years ago

10 points Help me with all I mark you as brainlist please

san4es73 [151]

Answer: Question 1

a)5.47

b)4.53

Step-by-step explanation:

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3 years ago

Which fraction is not equivalent to 9/12

Inessa [10]

Answer:

the second one :)

Step-by-step explanation:

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3 years ago

Denise used her credit card to buy a pair of new shoes for $120. At the end of the month, she could

ololo11 [35]

Answer:

Step-by-step explanation:

$120= the amount to pay for the shoe

$20 paid for the month

Balance to pay = $100

Then 3% interest rate on credit card = 3% of $100=$3

Therefore amount to pay = $3+$100=$103

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Which of the following statements best describes the value of the expression 6x + 7 when x = 5?

Tanzania [10]

Answer:

? is there a option?

Step-by-step explanation:

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