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Irina18 [472]
3 years ago
11

Britney is buying a shirt and a hat at the mall. The shirt costs $34.79, and the hat costs $18.18. If Britney gives the sales cl

erk $100.00, how much change should
she receive? (Ignore sales tax.)
A. $47.03
B. $56.78
C. $52.97
D. $43.93
Mathematics
2 answers:
babunello [35]3 years ago
6 0

Answer:

$47.03

Step-by-step explanation:

Just take $100 and subtract $34.79 and $18.18 and you get $47.03.

Elan Coil [88]3 years ago
4 0

Answer:

the answer is A

Step-by-step explanation:

34.79 + 18.18 = 52.79

100 - 52.79 =47.03

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SAT verbal scores are normally distributed with a mean of 433 and a standard deviation of 90. Use the Empirical Rule to determin
laila [671]

34% of the scores lie between 433 and 523.

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Given data:

Mean (μ) = 433

Standard deviation (σ) = 90

<u>Empirical rule to determine the percent:</u>

(1) About 68% of all the values lie within 1 standard deviation of the mean.

(2) About 95% of all the values lie within 2 standard deviations of the mean.

(3) About 99.7% of all the values lie within 3 standard deviations of the mean.

$Z(X)=\frac{x-\mu}{\sigma}

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$Z(523)=\frac{523-\ 433}{90}=1

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P(433 < x < 523) = P(0 < Z < 1)

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Using empirical rule, about 68% of all the values lie within 1 standard deviation of the mean.

i. e. ((\mu-\sigma) \ \text{to} \ (\mu+\sigma))=68\%

Here μ to μ + σ = \frac{68\%}{2} =34\%

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murzikaleks [220]

Given

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Doing that, we have:

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So that

\begin{gathered} 2x=6 \\ x=\frac{6}{2} \\ =3 \end{gathered}

Therefore, the minimum value is x = 3

8 0
1 year ago
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