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4vir4ik [10]
3 years ago
11

Need help asap pllzzz will give brainliest

Mathematics
1 answer:
Greeley [361]3 years ago
4 0

Answer:

d. $350.00

Step-by-step explanation:

A constant is a number that does not have any variables. The additional cost would depend on the number of persons at attendance so the cost would be $10.00p which is not the constant here. Thus, $350.00 is the only constant in this situation.

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80 percent of 9 is 4/5th of 9, which is 36/5 or 7.2

Hope this helped and brainliest please

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6 0
3 years ago
g The manager of a grocery store has selected a random sample of 100 customers. The average length of time it took these 100 cus
vagabundo [1.1K]

Answer:

The right solution is "0.196".

Step-by-step explanation:

The given values are:

Standard deviation,

\sigma=1 \ minute

Sample size,

n=100

Confidence level,

c=95%

  =0.95

Now,

For \alpha=1-c

         = 1-0.95

         =0.05

then,

Z_{\frac{\alpha}{2} } = Z_{\frac{0.05}{2} }

     =Z_{0.025}

     =1.96

The margin or error will be:

⇒ E=Z_{\frac{\alpha}{2} } (\frac{\sigma}{\sqrt{n} })

On substituting the values, we get

       = 1.96(\frac{1}{\sqrt{100} })

       = 1.96\times \frac{1}{10}

       = 0.196

7 0
3 years ago
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