Please explain.... Is a statistical question something that can change???

1 answer:

7 0

A statistical question is a question that can have many variables also known as an answer for example.... How tall are all the people in my school?.... There would be many different answers.

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Which of the following represents a financially responsible decision

jeyben [28]

I just did this quiz and got a 100% the answer is A) <span>Putting a small amount of money aside each month to use to purchase Christmas gifts.

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3 years ago

What is the equation of the line that passes through (-3,-1) and has a slope of 3/5 in slope intercept?

andrew-mc [135]

Answer is Y=3/5x + 4/5

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3 years ago

Scores on a certain intelligence test for children between ages 13 and 15 years are approximately normally distributed with μ=10

Tju [1.3M]

Answer: 0.8238

Step-by-step explanation:

Given : Scores on a certain intelligence test for children between ages 13 and 15 years are approximately normally distributed with $\mu=106$ and $\sigma=15$ .

Let x denotes the scores on a certain intelligence test for children between ages 13 and 15 years.

Then, the proportion of children aged 13 to 15 years old have scores on this test above 92 will be :-

$P(x>92)=1-P(x\leq92)\\\\=1-P(\dfrac{x-\mu}{\sigma}\leq\dfrac{92-106}{15})\\\\=1-P(z\leq })\\\\=1-P(z\leq-0.93)=1-(1-P(z\leq0.93))\ \ [\because\ P(Z\leq -z)=1-P(Z\leq z)]\\\\=P(z\leq0.93)=0.8238\ \ [\text{By using z-value table.}]$

Hence, the proportion of children aged 13 to 15 years old have scores on this test above 92 = 0.8238

4 0

2 years ago

Math experts WHATS the Awnser to the equation

seropon [69]

Answer:

wow thats hard

Step-by-step explanation:

8 0

2 years ago

Read 2 more answers

At the movie theatre, child admission is $6.50 and adult admission is $9.70 . On Tuesday, four times as many adult tickets as ch

Rasek [7]

6.5c + 9.7a = 1721.4
a = 4c

6.5c + 9.7(4c) = 1721.4
6.5c + 38.8c = 1721.4
45.3c = 1721.4
c = 1721.4 / 45.3
c = 38...so there were 38 childrens' tickets <==
and 152 adult tickets

4 0

2 years ago