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wel
3 years ago
13

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. You have just created a

new process that should cut the number of poor customer service complaints in half. What percentage of customers would you expect to report poor service after this process is implemented?
1.) 5%
2.) 10%
3.) 2%
4.) 2.5%
Mathematics
2 answers:
ddd [48]3 years ago
8 0

Answer:

4.) 2.5%

Step-by-step explanation:

1/20 = 5/100 = 5%

If that value is cut in half, it becomes ...

(1/2)×5% = 2.5%

DerKrebs [107]3 years ago
5 0

Answer:

The correct option is 4) 2.5%

Step-by-step explanation:

Consider the provided information.

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey.

First find the 1 is how much percent of 20.

\frac{1}{20}\times 100=1\times 5=5\%

That means 5% of customers reports for poor customer services.

It is given that, You have just created a new process that should cut the number of poor customer service complaints in half.

Previously 5% of customers was not satisfy with the customer services, now only half of it not satisfy the customer service.

\frac{1}{2}\times 5\%=2.5\%

Hence, the correct option is 4) 2.5%

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Solve sin 0 + 1 = cos20 on the interval 0 ≤ 0 < 2pi. Show work please!
yan [13]

Answer:

\theta=\frac{\pi}{2},\frac{3\pi}{2}\frac{2\pi}{3}\frac{4\pi}{3}

Step-by-step explanation:

You need 2 things in order to solve this equation:  a trig identity sheet and a unit circle.

You will find when you look on your trig identity sheet that

cos(2\theta)=1-2sin^2(\theta)

so we will make that replacement, getting everything in terms of sin:

sin(\theta)+1=1-2sin^2(\theta)

Now we will get everything on one side of the equals sign, set it equal to 0, and solve it:

2sin^2(\theta)+sin(\theta)=0

We can factor out the sin(theta), since it's common in both terms:

sin(\theta)(2sin(\theta)+1)=0

Because of the Zero Product Property, either

sin(\theta)=0 or

2sin(\theta)+1=0

Look at the unit circle and find which values of theta have a sin ratio of 0 in the interval from 0 to 2pi.  They are:

\theta=\frac{\pi}{2},\frac{3\pi}{2}

The next equation needs to first be solved for sin(theta):

2sin(\theta)+1=0 so

2sin(\theta)=-1 and

sin(\theta)=-\frac{1}{2}

Go back to your unit circle and find the values of theta where the sin is -1/2 in the interval.  They are:

\theta=\frac{2\pi}{3},\frac{4\pi}{3}

7 0
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Answer:

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Step-by-step explanation:

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Answer:

Step-by-step explanation:

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Step-by-step explanation:

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