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kolbaska11 [484]
3 years ago
8

Please answer this correctly

Mathematics
2 answers:
aniked [119]3 years ago
4 0

Answer:

50% chance.

Step-by-step explanation:

There are 3 numbers that are either greater than 4 or less than 2. They are 1, 5, and 6. There is a 3/6 chance you roll one of them or 50% chance.

svlad2 [7]3 years ago
3 0

Hey there! :)

Answer:

P(greater than or less than 2) = 50%.

Step-by-step explanation:

Numbers greater than 4: 5, 6

Numbers less than 2: 1

Total of 3 numbers that fit the criteria. Therefore:

P(greater than 4 or less than 2) = # of numbers / total

P(greater than 4 or less than 2) = 3 / 6 = 1 / 2

Convert fraction to percent:

1/2 × 100 = 50%

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What is the perimeter of the rectangle? 7cm 7cm 5cm 5cm
Charra [1.4K]

Answer:

24 centimeters

Step-by-step explanation:

7 + 7 + 5 + 5 = 24

have a nice day :)

5 0
2 years ago
Rachael got a 550 on the analytical portion of the Graduate Record Exam (GRE). If GRE scores are normally distributed and have m
valina [46]

Answer:

Z=-2

This value means that the score of Rachel 550 it's 2 deviations below the mean of the population \mu=600

Step-by-step explanation:

1) Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

\mu=600 represent the population mean for the Graduate Record Exam (GRE)

\sigma=25 represent the population standard deviation for Graduate Record Exam (GRE)

2) Solution to the problem

Let X the random variable that represent the Graduate Record Exam (GRE) of a population, and for this case we know the distribution for X is given by:

X \sim N(600,25)  

Where \mu=600 and \sigma=25

We want to find the z score for a score of 550. And in order to do this we need to apply the formula for the z score given by:

z=\frac{x-\mu}{\sigma}

If we apply this formula to our probability we got this:

z=\frac{550-600}{25}=-2

So the answer for our case would be Z=-2

This value means that the score of Rachel 550 it's 2 deviations below the mean of the population \mu=600

7 0
3 years ago
Can someone help me plzzzzzzzzz I’m failing math rn
zysi [14]

Answer:

number 1 is b

Step-by-step explanation:

4 0
2 years ago
I will give brainliest
Sauron [17]

Answer:

230°

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is the parallel slope of m= -2
Anna35 [415]
You mean what is the slope of a line parallel to the line whose slope is -2?

The answer is -2... the slopes of parallel lines are equal
3 0
2 years ago
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