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r-ruslan [8.4K]
3 years ago
6

Which store is offering the best deal?

Mathematics
1 answer:
disa [49]3 years ago
3 0
The answer to this question is 8 for $6
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PLEASE HELP!!!<br><br> it helps alot if you get this correct
Solnce55 [7]

Answer:

A

Step-by-step explanation:

A is the answer

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3 years ago
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The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a me
zimovet [89]

Answer:

Option D) $275

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = $235

Standard Deviation, σ = $20

We are given that the distribution of amount of money spent by students is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

We have to find the value of x such that the probability is 0.975

P( X < x) = P( z < \displaystyle\frac{x - 235}{20})=0.975  

Calculation the value from standard normal z table, we have,  

P( z < 1.960) = 0.975

\displaystyle\frac{x - 235}{20} = 1.960\\x =274.2 \approx 275

Approximately 97.5% of the students spent below $275 on textbook.

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3 years ago
Find sin θ, cot θ, and csc θ, where θ is the angle shown in the figure.
Natalka [10]

Step-by-step explanation:

everything can be found in the picture

8 0
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Given that the measurement is in centimeters, find the area of the circle to the nearest tenth. (Use 3.14 for π)
brilliants [131]

Answer: the Answer is b

Step-by-step explanation:

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Find the final cost of an item that was originally price at $245 with a 15% discount and a 6% tax. Please help this is My last q
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12

Step-by-step explanation:

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