What is rounding off nearest hundred

Mathematics

1 answer:

Westkost [7]3 years ago

4 0

Answer:

Look at your the second digit (tens digit), and if it is 5 and over, then you will round up to the next hundered. If it is 4 and under, you round it down to the previous one.

Step-by-step explanation:

Example:

136 - you will have to round to the previous hundred making it 130.

The 3 in 136 is under 4, so you round down.

161 - you will have to round up a hundred, so your answer will be 200.

The 6 is over 5, so you round up.

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The amount of time, in minutes, that a woman must wait for a cab is uniformly distributed between zero and 12 minutes, inclusive

murzikaleks [220]

Answer:

$P(X\leq x) =\frac{x-a}{b-a}, a \leq x \leq b$

And using this formula we have this:

$P(X$

Then we can conclude that the probability that that a person waits fewer than 11 minutes is approximately 0.917

Step-by-step explanation:

Let X the random variable of interest that a woman must wait for a cab"the amount of time in minutes " and we know that the distribution for this random variable is given by:

$X \sim Unif (a=0, b =12)$