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kvasek [131]
3 years ago
6

X is a normally distributed random variable with mean 62 and standard deviation 18.

Mathematics
1 answer:
maria [59]3 years ago
4 0

Answer:

0.683

Step-by-step explanation:

If you have a calculator with statistical functions, this work is especially straightforward.  

On the calculator, type in    

normcdf(44,80,62, 18)

The calculator returns the result (probability)   0.683

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if you have been traveling 365 miles for 5 hours, what is the unit rate that you have been traveling at
kirill115 [55]

Answer: 73

Step-by-step explanation:

365/5 =75 so 5 miles of going 73 miles per hour

4 0
4 years ago
The diameter of a circle is 18mm. What is the area of the circle in terms of pi?
Temka [501]
Area of a circle = pi x radius squared
Radius of a circle is from any point on the circumference to the centre
Diameter is the distance between two points on the circumference with the line crossing the centre
So radius is half of the diameter...
In this example radius is therefore 9mm (half of 18mm)
Square this... 9x9=81
So in terms of pi the answer is 81pi
To get the full answer you would just times pi (3.14) by 81 =254.34
6 0
4 years ago
Which of the binomials below is a factor of this trinomial?
Vikentia [17]

The correct answer is option D.Which is ( x - 1 ).

<h3>What is a quadratic equation?</h3>

It is a polynomial with a degree of 2 or the maximum power of the variable is 2 in quadratic equations. It has two solutions as its maximum power is 2.

The solution of the given quadratic equation will be:-

-2x² - 22x + 24 = 0

x ² + 11x  - 12 = 0

x²  + 12x - x + 12 = 0

x ( x + 12 ) -1 ( x + 12 ) = 0

( x -1 ) ( x + 12 ) = 0

Therefore the correct answer is option D.Which is ( x - 1 ).

To know more about quadratic equations follow

brainly.com/question/1214333

#SPJ1

3 0
2 years ago
How much tax would you own on an $89 Skype jacket if the tax rate is 6.5%
german
89 × 6.5
578.5 which rounds to 5 dollars and 79 cents
$5.79
7 0
3 years ago
What is the image of R for a dilation with center (0,0) and a scale factor of 1 1/2?
makvit [3.9K]

Answer: The image is (6,-3)

Step-by-step explanation:

The coordinates of R is  ( 4,-2)  and to find the image using the scale factor 1.5 you will multiply the x coordinates by 1.5 and the y coordinate also by 1.5 to have the new image of R.

4 * 1.5 = 6

-2 * 1.5 = -3

The new coordinates care (6, -3)

4 0
4 years ago
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