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kupik [55]
3 years ago
9

What is the value of x

Mathematics
1 answer:
Anit [1.1K]3 years ago
8 0
The answer maybe 1/2
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Help with #5 please
slega [8]

729. multiple 9 times 9 then 81 times 9 and you get D

7 0
3 years ago
In the United States, 40% of the population have brown eyes (based on data from Dr. P. Sorita Soni at Indiana University). If 14
Sav [38]

Answer:

0.0006087 (4 sf)

Step-by-step explanation:

Binomial distribution:  X ~ B(n, p)

where n is the number of trials and p is the probability of success

Let the random variable X be the number of people with brown eyes

n = 14

p = 40% = 0.4

Therefore,  X ~ B(14, 0.4)

P(X ≥ 12) = 1 - P(X ≤ 11)

              = 1 - 0.9993913226...

              = 0.000608677...

4 0
2 years ago
Students in a high school mathematics class decided that their term project would be a study of
weeeeeb [17]

The parameter of interest in this scenario is the proportion of all 1,000 students within the school who have "strict" parents or guardians.

<h3>How to calculate a test statistic?</h3>

In Mathematics, the test statistics of a given sample is calculated by using this formula:

Z=\frac{x\;-\;u}{\frac{\sigma}{\sqrt{n} } }

<u>Where:</u>

  • x is the sample mean.
  • u is the mean.
  • is the standard deviation.
  • n is the sample size.

In conclusion, a possible test statistic which can be used to estimate this parameter is the proportion of all students who have "strict" parents or guardians, based on the collected sample.

Read more on test statistic here: brainly.com/question/4621112

#SPJ1

8 0
2 years ago
For the polynomial below, what is the coefficient of the term with the power of 3?
Triss [41]
The answer is
D.1

because even though there is not a number in front of X, we are to assume it is 1.
4 0
3 years ago
Read 2 more answers
What is 334.54 + 198 grams
lidiya [134]
334.54 + 198 = 532.54 grams total

hope this helps
6 0
3 years ago
Read 2 more answers
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