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Archy [21]
1 year ago
5

What is 19.254 rounded to the nearest tenth and the nearest hundredth?

Mathematics
2 answers:
PtichkaEL [24]1 year ago
7 0

Answer:

o

Step-by-step explanation:

Find the number in the hundredth place 5

and look one place to the right for the rounding digit 4

. Round up if this number is greater than or equal to 5

and round down if it is less than 5

19.25 Find the number in the tenth place 2

and look one place to the right for the rounding digit 5

. Round up if this number is greater than or equal to 5

and round down if it is less than 5

.19.3

nirvana33 [79]1 year ago
5 0

Answer:

To the nearest tenth

19.3

To the nearest hundredth

19.25

Step-by-step explanation:

This number is 19.3 to the nearest tenth because the nearest tenth is the first number. The number behind it is 5 so 2 rounds up to 3 hence the number is 19.3

To the nearest hundredth, this number is 19.25 because 4 doesn't round up  so the number is the same.

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The average human gestation period is 270 days with a standard deviation of 9 days. The period is normally distributed. What is
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Answer:

Probability that a randomly selected woman's gestation period will be between 261 and 279 days is 0.68.

Step-by-step explanation:

We are given that the average human gestation period is 270 days with a standard deviation of 9 days. The period is normally distributed.

Firstly, Let X = women's gestation period

The z score probability distribution for is given by;

         Z = \frac{ X - \mu}{\sigma} ~ N(0,1)

where, \mu = average gestation period = 270 days

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Probability that a randomly selected woman's gestation period will be between 261 and 279 days is given by = P(261 < X < 279) = P(X < 279) - P(X \leq 261)

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<em>Therefore, P(261 < X < 279) = 0.84134 - 0.15866 = 0.68</em>

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Answer:

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Step-by-step explanation:

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