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yaroslaw [1]
3 years ago
5

jean polled a random sample from a population and calculated a sample statistic. Jean can use this statistic to draw an inferenc

e about what? explain why which letter choice is the right answer. A. The corresponding sample parameter B. the population size C. The corresponding population statistic D. The corresponding population parameter
Mathematics
1 answer:
PilotLPTM [1.2K]3 years ago
6 0
Since Jean was using a calculated sample statistic from a polled random sample of a population, I can say that this statistic can infer about the corresponding population parameter, and the answer for this would be option D. Hope this answer helps.
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) There are 8 children in Sophie's preschool class. During free time yesterday, 1 of them
Klio2033 [76]

Using it's concept, it is found that there is a 0.125 = 12.5% experimental probability that a randomly selected preschooler would choose to read books today.

<h3>What is a probability?</h3>

A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.

For an experimental probability, these numbers of outcomes are taken from previous trials.

In this problem, in the previous trial, one out of eight students read a book, hence:

p = 1/8 = 0.125 = 12.5%.

There is a 0.125 = 12.5% experimental probability that a randomly selected preschooler would choose to read books today.

More can be learned about probabilities at brainly.com/question/14398287

5 0
2 years ago
For the function h(x) =3x/(x+5)(x-4), solve the equation.​
LuckyWell [14K]

Answer:

x = 0

Step-by-step explanation:

To 'solve' means to find the x values that make the equation equal zero, so

0 = (3x)/[(x + 5)(x - 4)  

Multiply both sides by the denominator to get rid of the fraction

0[(x + 5)(x - 4)] = [(3x)(x + 5)(x - 4)]/[(x + 5)(x - 4)]

0 = 3x  

 0 = x     (divide both sides by 3)

So x = 0 is the solution for this equation

8 0
3 years ago
Can someone help me? Brainliest + Points!
iris [78.8K]

Answer:

D. \frac{2}{5}

Step-by-step explanation:

Since we know that the odds of an events can be found by dividing the probability that an event will occur by the probability that the event will not occur.

\text{Odds of an event}=\frac{\text{Probability that event will occur}}{\text{Probability that event will not occur}}

Probability of an event not occurring can be found by subtracting probability of the event occurring from 1.

\text{Odds of an event}=\frac{\text{Probability that event will occur}}{1-\text{Probability that event will occur} }  

We have been given that probability of an event is 2/7.  

Upon substituting our given values in above formula we will get,

\text{Odds of the given event}=\frac{\frac{2}{7}}{1-\frac{2}{7}} }

\text{Odds of the given event}=\frac{\frac{2}{7}}{\frac{7-2}{7}} }

\text{Odds of the given event}=\frac{\frac{2}{7}}{\frac{5}{7}} }

\text{Odds of the given event}=\frac{2}{7}\times \frac{7}{5}

\text{Odds of the given event}=\frac{2}{5}

Therefore, the odds of the same event are \frac{2}{5} and option D is the correct choice.



7 0
3 years ago
Plz help me I have no idea how to do this
Leviafan [203]

Answer:

0.8

Step-by-step explanation:

cos z = 8/10 = 0.8

8 0
3 years ago
Mrs. Escalante was riding a bicycle on a bike path. After riding 2/3 of a mile, she discovered that she still needed to travel 3
Andru [333]

The answer to your question is...

<h2>1 5/12 or 17/12</h2>
4 0
3 years ago
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