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Veronika [31]
2 years ago
15

The histogram shows the number of cell phone calls received by Medera, a middle school student, one Saturday from 10 a.m. to 10

p.m. m Which statement most reasonably explains the hours when zero calls were received? Medera turned the phone off while playing in a soccer game. Medera’s phone can only receive 22 calls a day. Medera only receives calls in clusters. Medera lost her phone for two hours.
Mathematics
2 answers:
PilotLPTM [1.2K]2 years ago
6 0

Answer:

A. in egenuity

Step-by-step explanation:

Madera turned the phone off while playing in a soccer game.

Anni [7]2 years ago
4 0

Answer:

The hours when zero calls were received were most possibly when Madera turned the phone off while playing in a soccer game.

Step-by-step explanation:

According to the question,

Madera, a middle school student, received some phone calls on one Saturday from 10 a.m. to 10 p.m.

The hours when zero calls were received were most possibly when Madera turned the phone off while playing in a soccer game.

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A given set of values is found to be a normal distribution with a mean of 140 and a standard deviation of 18.0. Find the value t
Alisiya [41]

Answer:

The value that is greater than 45% of the data values is approximately 137.84.

Step-by-step explanation:

The key is transforming values from this distribution to a z-score range and finding the corresponding value using a z-score table.

We are looking for a value x which attains a critical z-score that corresponds to the (100-45)%=55-th percentile:

z_{0.55} = \frac{x-\mu}{\sigma}=\frac{x-140}{18}\implies x = 18\cdot z_{0.55}+140

The critical z value (from z-score table, online) is: -0.12, so:

x = 18\cdot z_{0.55}+140=18\cdot(-0.12)+140\approx137.84

The value that is greater than 45% of the data values is approximately 137.84.


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2 years ago
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Answer:

See steps below

Step-by-step explanation:

-3(2x+7)=-29-4x

Use the distributive property

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Add 21 to each side

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Add 4x to both sides

-2x=-8

Divide by -2

x=4

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Answer: 25 guests is 2.5 times more than 10

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

The United States has 12383 miles of coastline.

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