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DaniilM [7]
3 years ago
6

43 is 10% of what number

Mathematics
2 answers:
statuscvo [17]3 years ago
6 0
The answer is 430! :D
mote1985 [20]3 years ago
3 0
43 is 10% of 430
Hope this helps!
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A simple random sample of 50 items from a population with 7 resulted in a sample mean of 35.
Vilka [71]

The 90% , 99% confidence interval for the population mean is 32.145 < \rm \mu < 35.855 and 31.093 <  \rm \mu < 36.907

<h3>What is Probability ?</h3>

Probability is the study of likeliness of an event to happen.

It is given that

Total Population = 50

Mean = 35

The confidence interval is given by

\rm CI = \mu + z \dfrac{s}{\sqrt n}

\rm \mu is the mean

z is the confidence level value

s is the standard deviation

n is the population width

(a) The 90% confidence interval for the population mean

90% \rm \alpha / 2  = 0.05

Z = 1.64

34 \rm \pm 1.64 * 8 / √50

34 \rm \pm  1.855

32.145 < \rm \mu < 35.855

(b)  The 99% confidence interval for the population mean

99% \rm \alpha / 2  = 0.005

Z=2.57

34  \rm \pm 2.57 * 8 / √50

34 \rm \pm  2.907

31.093 <  \rm \mu < 36.907

Therefore the confidence interval for population mean has been determined.

The complete question is

A simple random sample of 50 items from a population width =7  resulted in a sample mean of 35. If required, round your answers to two decimal places.

a. Provide a 90% confidence interval for the population mean

b. Provide a 99% confidence interval for the population mean

To know more about Probability

brainly.com/question/11234923

#SPJ1

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ashley is preparing for house riding competition.she has trained her horse for 6 hours and has completed 276 rounds. at what rat
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Answer:

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Step-by-step explanation:

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Somebody help me please this is algb 1
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Answer:B

Step-by-step explanation:

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Rob has 7 ones, nick has 5 ones.they put all their ones together.what number did they make?
Anni [7]
7+5= 12 ones. Or one ten and 2 ones. They made 12.
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3 years ago
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It costs 15 dollars to send 3 packages through a certain shipping company consider the number of packages pero dollar?
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solution:

= $15 for 3 packages

= 5 packages per dollar (15/3)


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