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Sergio [31]
3 years ago
13

Imagine that you are planning to estimate the price of the average book at your college bookstore. The bookstore carries 13,000

titles, but you plan to sample only 200 books. You will select a sample of 200 books, record the price of each book, and use the average of the 200 books to estimate the average price of the 13,000 books in the bookstore. Questions: What is the sample in this study, and what is the population
Mathematics
1 answer:
mafiozo [28]3 years ago
3 0

Answer: "13,000 books" represents the population.

"200" books represents the sample.

Step-by-step explanation:

  • A population is the term that denotes a whole large possible group of individuals, objects, events or measurements.
  • A subset of population is known as ample.
  • When population is too large to the researcher  , then it uses sample to represent the entire population.

Here,  "13,000 books" represents the population.

"200" books represents the sample which is a subset of 13,000 books.

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ValentinkaMS [17]

Answer:

4x+20=31

Step-by-step explanation:

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2 years ago
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3 years ago
Rewrite the expression in the form y^ny n y, start superscript, n, end superscript. \left(y^{^{\scriptsize -\dfrac12}}\right)^{4
sladkih [1.3K]

Answer

Today’s mathematicians would probably agree that the Riemann Hypothesis is the most significant open problem in all of math. It’s one of the seven Millennium Prize Problems, with a million dollar reward for its solution. It has implications deep into various branches of math, but it’s also simple enough that we can explain the basic idea right here.

There is a function, called the Riemann zeta function, written in the image above.

For each s, this function gives an infinite sum, which takes some basic calculus to approach for even the simplest values of s. For example, if s=2, then (s) is the well-known series 1 + 1/4 + 1/9 + 1/16 + …, which strangely adds up to exactly ²/6. When s is a complex number—one that looks like a+b, using the imaginary number —finding (s) gets tricky.

So tricky, in fact, that it’s become the ultimate math question. Specifically, the Riemann Hypothesis is about when (s)=0; the official statement is, “Every nontrivial zero of the Riemann zeta function has real part 1/2.” On the plane of complex numbers, this means the function has a certain behavior along a special vertical line. You can see this in the visualization of the function above—it’s along the boundary of the rainbow and the red. The hypothesis is that the behavior continues along that line infinitely.

The Hypothesis and the zeta function come from German mathematician Bernhard Riemann, who described them in 1859. Riemann developed them while studying prime numbers and their distribution. Our understanding of prime numbers has flourished in the 160 years since, and Riemann would never have imagined the power of supercomputers. But lacking a solution to the Riemann Hypothesis is a major setback.

If the Riemann Hypothesis were solved tomorrow, it would unlock an avalanche of further progress. It would be huge news throughout the subjects of Number Theory and Analysis. Until then, the Riemann Hypothesis remains one of the largest dams to the river of math research.

5 0
2 years ago
Solve x:<br> 8 - x/10 = -11<br> --Please help! Homework due in for Monday! Xx
ipn [44]

you need to isolate the variable so in order to do that you need to subtract 8 from both sides of the equation as so:

8 - x/10 - 8 = -11 - 8    simplify  -x/10 = -19

isolate the variable -10/1 x -x/10 = -19 x -10/1 simplify

x = 190

3 0
3 years ago
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