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konstantin123 [22]

2 years ago

8

Last year, the Good Foods Cereal Company produced 753,295 boxes of cereal. The company

2 answers:

stellarik [79]2 years ago

7 0

Answer:

5

Step-by-step explanation:

The only way to get a whole number is to divide 753295 by 5.

vitfil [10]2 years ago

7 0

The answer is 5 and it’s the only one that can be correct

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Which is the definition of a line segment?

Vlada [557]

In geometry, a line segment<span> is a part of a </span>line<span> that is bounded by two distinct end points, and contains every point on the </span>line<span> between its endpoints. A closed </span>line segment<span> includes both endpoints, while an open </span>line segment<span> excludes both endpoints; a half-open </span>line segment<span> includes exactly one of the endpoints.</span>

3 0

4 years ago

3. university dean of students wishes to estimate the average number of hours students spend doing homework per week. The standa

gregori [183]

Answer:

A sample of 17 must be selected.

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1 - 0.96}{2} = 0.02$

Now, we have to find z in the Z-table as such z has a p-value of $1 - \alpha$ .

That is z with a pvalue of $1 - 0.02 = 0.98$ , so Z = 2.054.

Now, find the margin of error M as such

$M = z\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation of the population and n is the size of the sample.

The standard deviation from a previous study is 4 hours.

This means that $\sigma = 4$

How large a sample must be selected if he wants to be 96% confident of finding whether the true mean differs from the sample mean by 2 hours?

A sample of n is required.

n is found for M = 2. So

$M = z\frac{\sigma}{\sqrt{n}}$

$2 = 2.054\frac{4}{\sqrt{n}}$

$2\sqrt{n} = 2.054*4$

Simplifying both sides by 2:

$\sqrt{n} = 2.054*2$

$(\sqrt{n})^2 = (2.054*2)^2$

$n = 16.88$

Rounding up:

A sample of 17 must be selected.

8 0

3 years ago

Miguel earns extra money working two weekends with his dad. He is saving to buy a new bike that costs $140. Heather says that Mi

Eddi Din [679]

it doesn't divide equally

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4 years ago

Which is an equation of a direct proportion

Over [174]

K = y/x OR y = kx

hope it helps!

6 0

3 years ago

The expression 3 + 2(x - 5)2

Vlad [161]

9514 1404 393

Answer:

D. 53 feet

Step-by-step explanation:

The value of the expression when x=0 is ...

3 + 2(-5)² = 3 + 2(25) = 3 +50 = 53

The initial height of the ball is 53 feet.

6 0

3 years ago