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Sladkaya [172]
2 years ago
5

In a statistics class, students were asked how many siblings they have. The mean number of siblings for the class is 3.08 with a

standard deviation of 1.61 siblings. The z-score for a student with four siblings is 0.57. Which of the following statements is the best interpretation of the z-score?
Mathematics
1 answer:
Rom4ik [11]2 years ago
5 0

Answer:

A

Step-by-step explanation:

YEAH BOY

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<em>Look</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em>

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5 0
3 years ago
Andre and Morgan are both headed to Florida for vacation. Andre will drive 70 miles per hour. Morgan will drive 55 miles per hou
babymother [125]

Answer:

The number of hours Moran wold have driven before Andre catches up with him is 14 hours

Step-by-step explanation:

The given information are;

The speed with which Andre will drive = 70 miles per hour

The speed with which Morgan will drive = 55 miles per hour

The time of departure of Morgan = 3 hours before Andre departs

Let the time at which Andre catches up with Morgan be, t

We have, from the definition of distance traveled;

Distance traveled =Speed × Time

The distance Morgan would have driven in t hours = 55 × t

Given that to catch up with Morgan, Andre has to travel the same distance, and that Andre starts 3 hours late, we have;

The distance Andre would  drive when Morgan has driven for t hours = 70 × (t - 3)

Therefore, since the distance at the point they meet is the same distance for them both, we have;

55 × t = 70 × (t - 3)

55 × t = 70 × t - 210

210 = 70 × t - 55 × t  = 15 × t

t = 210/15 = 14 hours

Therefore, Morgan would have driven for 14 hours before Andre catches uo with him.

4 0
3 years ago
Need help with this one
Sati [7]

Answer:

C

Step-by-step explanation:

7 0
3 years ago
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1334 multiplied by 3546 multiplied by 745 multiplied by 8739 =
LenaWriter [7]

Answer:

3.00156378e13

Step-by-step explanation:

If you like my answer than please mark me brainliest thanks

7 0
3 years ago
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