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elena-14-01-66 [18.8K]
3 years ago
7

Help me please? I'm kind of lost

Mathematics
1 answer:
ICE Princess25 [194]3 years ago
3 0
The best choice is a
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2 years ago
The average score of this quiz is 24 points with a standard deviation of 1.5 points. What is the probability that someone scored
navik [9.2K]

Answer:

8.08 %

Step-by-step explanation:

Let us denote : X= score X follows a normal distribution with mean =24 and standard deviation =1.5

Step 2

The probability that someone scored 21.9 or less is :

\mathrm{P}(\mathrm{X} \leq 21.9)

=\mathrm{P}\left(\mathrm{Z} \leq \frac{21.9-24}{1.5}\right)

=\mathrm{P}(\mathrm{Z} \leq-1.4)

=0.0808

=8.08%

Answer : 8.08 %

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3 years ago
can put $11 of his allowance and in his savings account every week call how much money will he have after 15 weeks
dlinn [17]
11 x 15 = 165. he would have 165$
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3 years ago
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Help with this pls?????
Alenkinab [10]

Answer:

83.74 in squared

Step-by-step explanation:

The area of the original rectangle is: 14 * 8 = 112 in squared.

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3.14 * 3^2 = 3.14 * 9 = 28.26 in squared.

The remaining area is just the total minus the circle area:

112 - 28.26 = 83.74 in squared

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Step-by-step explanation:

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