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tankabanditka [31]
3 years ago
13

The average noise level in a diner is 30 decibels with a standard deviation of 6 decibels. ninety-nine percent of the time, the

noise level is below what value?
Business
1 answer:
Artemon [7]3 years ago
6 0
<span>Assuming a normal distribution the noise level is below 44dB 90% of the time. Looking up the standard deviation that goes along with .01 on a normal distribution chart, we find that 2.33 standard deviations is the answer. Given the standard deviation of six we turn this in to deviation in decibels from the mean: 6*2.33 = 13.98 Add this to the mean to get 30+13.98=43.98 which we round to 44dB</span>
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cupoosta [38]

Answer:

a. The buyer would cover all shipping and insurance costs and assume the risk at the factory door.

Explanation:

According to the given situation the exworks means that the seller fulfill his duty for delivering the goods when the goods are available at his place i.e. works, factory or warehouse to the buyer. Also the buyer would responisble to bear all the cost and the risk involved while taking the goods from the seller place to the final destination

Hence, the option a is correct

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2 years ago
 As you track your progress, you'll act, observe, adjust, and then 
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Answer:

A.

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Explanation:

Makes sense when you think about it.

4 0
3 years ago
Read 2 more answers
Which of these statements is true?
olasank [31]

Answer:

Compound interest will lead to a larger sum of money than a comparable simple interest payment.

Explanation:

The true statement is that compound interest will lead to a larger sum of money than a comparable simple interest payment because the interest are compounded for a certain number of times such as daily, weekly, quarterly or annually while simple interest isn't compounded at all.

To find the future value, we use the compound interest formula;

A = P(1 + \frac{r}{n})^{nt}

Where;

A is the future value.

P is the principal or starting amount.

r is annual interest rate.

n is the number of times the interest is compounded in a year.

t is the number of years for the compound interest.

Mathematically, simple interest is calculated using this formula;

S.I = \frac {PRT}{100}

Where;

S.I is simple interest.

P is the principal.

R is the interest rate.

T is the time.

6 0
3 years ago
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DochEvi [55]

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Before the New Deal, the government was expected to be more or less laissez-faire.  It was supposed to just stay out of the way and let the economy rise or fall "naturally."  If people were too old to work, they needed to rely on family.  If a bank failed, its depositors were out of luck.  The New Deal changed all of that.

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