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3 years ago

Billy conducted an experiment by rolling a a standard number die 500 times.

1 answer:

3 0

<h2>Theoretical probability:</h2><h2><u>Rolling once = 1/6</u></h2><h2>Rolling 500 times = 83 times</h2><h2>1/6 is your answer!</h2>

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What radical expression is not simplified?

rodikova [14]

B 2/10 is not simplified because you can divide each number by 2 reducing it to 1/5.

5 0

3 years ago

Simplify the expression 6 + 3(2x - 4(3x - 2)].

I am Lyosha [343]

Answer:

-30x + 30

Step-by-step explanation:

6 + 3 × [2x - 12x + 8]

6 + (-30x) + 24

-30x + 24

hope its correct if not sorry

8 0

3 years ago

Please help me it’s due tomorrow

Ierofanga [76]

Answer:

8 units

Step-by-step explanation:

so there is something called Pythagorean thereon and it states that a^2+b^2=c^2

and 6 is either a or b

and c is ten so

6^2+b^2=10^2

36+b^2=100

b^2=64

here you need to find the square root in order to delete the power so

$\sqrt{b} =\sqrt{64\\\\$

b=8

x=8

5 0

3 years ago

g Z-Test for Population Means Calculate z-statistic of a population mean. Keith sampled 10 private universities in Colorado and

scoray [572]

Answer: 2.46

Step-by-step explanation:

Formula for x-score is given by :-

$Z=\dfrac{\overline{x}-\mu}{\dfrac{\sigma}{\sqrt{n}}}$

, where $\overline{x}$ = Sample mean , $\mu$ = population mean, $\sigma$ = population standard deviation, n= sample size.

As per given , n=10

$\mu$ = $29,056

$\sigma$ = $3,339

$\overline{x}$ = $31,650

Then,

$z=\dfrac{ 31650-29056}{\dfrac{3339}{\sqrt{10}}}\\\\=\dfrac{2594}{\dfrac{3339}{3.16227766017}}\\\\=\dfrac{2594}{1055.88451073}=2.45670807142\approx 2.46$

Hence, the z-score = 2.46

4 0

3 years ago

The owner of a chain of bookstores plans to close one of his stores. What is the best way to display the data below if he wants

adelina 88 [10]

Answer:

Bar Graph

Step-by-step explanation:

5 0

3 years ago