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lana [24]
3 years ago
15

What's the answer to this question

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
3 0
10.1 x 8 - 6 = 80.8 - 6 = 74.8
u just had to substitute the variables
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A study of parents of kindergarteners included 349 parents who were chosen at
miskamm [114]

Answer:

47% is the statistic and 31% is the parameter.

Step-by-step explanation:

A parameter is a quantity of a variable representing certain characteristic of a population.

A statistic is a quantity of a variable representing certain characteristic of a sample.

The sample of parents of kindergartners selected is, <em>n</em> = 345.

The School records show that only 31% of parents of kindergartners sent their children to pre-kindergarten.

That is the population proportion is, <em>p</em> = 0.31.

This is the parameter value.

Of the 349 parents, 47% said they sent their children to pre-kindergarten.

That is the sample proportion is, \hat p = 0.47.

This is the statistic value.

Thus, the correct option is:

47% is the statistic and 31% is the parameter.

7 0
3 years ago
X³+x²-x-1=?<br> What is the solution for th8s?
Assoli18 [71]

Answer: (x − 1 ) ^{2}

3 0
3 years ago
What is the chance that i will be denied boarding, despite having a valid ticket, if the carrier is jetBlue Airways?
Marizza181 [45]

Answer:

Around a 20% chance

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Jeri is 3 years younger than Laura, whose age is x. How old is Jeri? x - 3 yrs old x + 3 yrs old 3x yrs old
laiz [17]

Answer:

X-3 yrs old

Step-by-step explanation:

Take Laura=X

Since Laura is X years old and Jeri is 3 years younger then Jeri's age = Laura's age- 3years so,

Jeri's age= X-3

8 0
2 years ago
What is the experamental probability that the coin lands on heads?
sammy [17]

Answer:

The experamental probability that the coin lands on head is 50 %

Step-by-step explanation:

Given:

Experiment:

A coin is Toss

Let the Sample Space be 'S' that is total number of outcomes for a coin has been tossed = { Head, Tail }

∴ n ( S ) =  2

Let A be the event of getting a Head on tossing a coin i.e  { Head }

∴ n( A ) = 1

Now,

\textrm{Probability} =\frac{\textrm{outcomes for the experiment}}{\textrm{total number of outcomes}}

Substituting the values we get

P(A) = \frac{n(A)}{n(S)} \\\\P(A) = \frac{1}{2} \\\\P(A) = 0.5\\\\P(A) = 50\%

The experamental probability that the coin lands on head is 50 %

5 0
3 years ago
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