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3 years ago

Could someone please answer this one question for me?

Mathematics

2 answers:

Butoxors [25]3 years ago

7 0

Answer:

Employee C

Step-by-step explanation:

A. We have to divide each earning by hour. Therefore, you have to do 180/15. Therefore, he makes 12 dollars per second.

B. We have to divide each earning by hour. Therefore, you have to do 210/20. Therefore, he makes 10.5 dollars per second.

C. We have to divide each earning by hour. Therefore, you have to do 455/35. Therefore, he makes 13.

This means that Employee C has the highest earning per hour.

If this has helped please mark as brainliest

Evgen [1.6K]3 years ago

6 0

Last answer choice because if you divide them the last one gets paid 13 dollars per hour brainlest would be appreciated or even a thanks!!

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Solution

The table below is the required sample space of the to fair die

From the above table

The sample space contain 36 outcomes

Event A: The sum is greater than 9

we will look at the table and count all the elements that are greater than 9

There are 6 elements (they are 10, 10, 10, 11, 11, 12 from the table)

The probability for event A will be

$\begin{gathered} p(A)=\frac{\text{required outcome}}{\text{total outcome}} \\ p(A)=\frac{6}{36} \\ p(A)=\frac{1}{6} \end{gathered}$

P(A) = 1/6

Event B: The sum is an even number.

We will look at the table and count the number of elements that are even

There are 18 elements (notice that there are 3 even number on each of the 6 rows of the table)

The probability for event B will be

$\begin{gathered} p(B)=\frac{\text{required outcome}}{\text{total outcome}} \\ p(B)=\frac{18}{36} \\ p(B)=\frac{1}{2} \end{gathered}$

p(B) = 1/2

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1 year ago

A manufacturer of cell phone screens is concerned because 12 percent of the screens manufactured using a previous process were r

fomenos

Answer: A.

$H_0:p=0.12\\\\H_a:p$

Step-by-step explanation:

Null hypothesis $(H_0)$ : A statement describing population parameters as per the objective of the study. It usually takes "≤,≥,=" signs.

Alternative hypothesis $(H_a)$ : A statement describing population parameters as per the objective of the study. It usually takes ">, <, ≠" signs.

Let p be the proportion of screens that will be rejected.

12 percent of the screens manufactured using a previous process were rejected at the final inspection.

(i.e. p= 0.12)

Objective of the study = whether the new process<em> reduces </em>the population proportion of screens that will be rejected

i.e. p< 0.12

So, the appropriate hypotheses to investigate whether the new process reduces the population proportion of screens that will be rejected:

$H_0:p=0.12\\\\H_a:p$

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3 years ago

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olya-2409 [2.1K]

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The solution shown on the 5th graph is where the lines intersect, near point
(5, 3)

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3 years ago

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Answer:

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3 years ago

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For a trapezoid:
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Hence <span>the parallel sides are 15 cm apart.

</span>

I hope that helps!

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4 years ago