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Ierofanga [76]
2 years ago
6

A definition of a statistical question is given below.

Mathematics
2 answers:
ZanzabumX [31]2 years ago
6 0

Answer:

I dont know

Step-by-step explanation:

tiny-mole [99]2 years ago
4 0
First 2 are statistical, because you are asking more than one person, which will result in more than one number(more than one data value)

The other questions are about one person asking one other person about something to get numerical data.
If you only ask 1 person, you will have 1 answer. 1 answer is one data value, but statistical questions must have more than one data value.
You might be interested in
5#The distribution of scores on a standardized aptitude test is approximately normal with a mean of 480 and a standard deviation
kirza4 [7]

We want to find the value that makes

P(X\ge x)=0.2

To find it we must look at the standard normal table, using the complementary cumulative table we find that

P(Z\ge z)=0.20045\Leftrightarrow z=0.84

Then, using the z-score we can find the minimum score needed, remember that

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

Where

σ = standard deviation

μ = mean

And in our example, x = minimum score needed, therefore

\begin{gathered} 0.84=\frac{x-480}{105} \\  \\ x=0.84\cdot105+480 \\  \\ x=568.2 \end{gathered}

Rounding to the nearest integer the minimum score needed is 568, if you get 568 you are at the top 20.1%.

7 0
1 year ago
Calculate the length of the circumference of a circle with diameter of 10.4
Kitty [74]
To work out the Circumference of a circle, we must o the calculation
πd
π x d
If we fill in the information we know
π x 10.4
3.14 x 10.4       (to 2 d.p.)
↓
32.656 (units)
7 0
2 years ago
Read 2 more answers
2+2
brilliants [131]
So true that is why haha
5 0
2 years ago
Please help me asap i needa pass this
Hatshy [7]

Answer:

The first 4 are correct and the last one is incorrect

Step-by-step explanation:

1. The diameter of the circle is 30.8 m ( Correct )

Radius = 15.4 so diameter is 2 times the radius which is 30.8 m

2. The circumference in terms of π is 30.8 π ( Correct )

Circumference = π × Diameter

Circumference = π × 30.8

Circumference = 30.8 π

3 . The circumference of the circle can be found using 2 × π × 15 . 4 ( Correct )

Circumference = π × Diameter

Circumference = π × 30.8

Circumference = 30.8 π

4 . The approximate circumference of the circle rounded to the nearest tenth is 96.7 m ( Correct )

Circumference = 30.8 π = 96.7610537306

5 . A little more than 6 diameters could be wrapped around the circle

( False )

Circumference = 96.7610537306

Diameter = 30 . 8

96.7610537306 ÷ 30 . 8 = 3.14

5 0
3 years ago
Please help!<br> show in dept steps
rewona [7]

Given:

54.1 \times  \sqrt{15.11}

To remove decimal, divide first equation by 10 and second equation by 100

=  >  \frac{541}{10} \times  \sqrt{ \frac{1511}{100}}

Now opening the root,

=  >  \frac{541}{10} \times  \frac{ \sqrt{1511} }{ \sqrt{100}}

=  >  \frac{541}{10} \times  \frac{ \sqrt{1511} }{ \sqrt{10^{2} }}

=  >  \frac{541}{10} \times  \frac{ \sqrt{1511} }{10}

=  >  \frac{54 \times  \sqrt{1511} }{10 \times 10}

=  >  \frac{541 \sqrt{1511} }{100}

Hence, the answer is \frac{541 \sqrt{1511} }{100}

5 0
2 years ago
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