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RUDIKE [14]
3 years ago
5

Plz helpp. In a high school with 5,000 students, the number of text messages sent by each student during a particular month was

recorded. The mean number of text messages sent during the month was 55 per student.
If the data was normally distributed, and if the standard deviation of the data was 4 text messages, which of these is the BEST estimate for the number of students who sent fewer than 51 text messages during the month?


A) 800

B) 1,200

C) 1,600

D) 1,700
p.s i already did it and its a)800
Mathematics
1 answer:
vampirchik [111]3 years ago
8 0

Answer:

A) 800

Step-by-step explanation:

I am on a challenge and I need points plus you told me

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4 0
3 years ago
Pls help meeeeeeeeeeeee
Solnce55 [7]

Answer:

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Step-by-step explanation:

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it's asking for the odds of a 4 or a 7 meaning that they're fine with either one. that means you can ADD the number of them up!

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to get the odds, we need to divide!

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convert that into a percent!

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let me know if you're still confused :))

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2 years ago
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Alex17521 [72]

Answer:

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3 years ago
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Answer:

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Step-by-step explanation:

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The equation you can use is 9.35 + x = 18 x will equal the number of miles for the long run.

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Answer:

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