What is 22119 rounded to the nearest hundredth

Mathematics

1 answer:

artcher [175]4 years ago

7 0

Answer:

22119 to the nearest hundred is 22100

Step-by-step explanation:

When rounding the number to the nearest hundred. Follow the given rules:

When rounding to the nearest hundred, look at the TENS DIGIT of the number.

If that digit is 0, 1, 2, 3, or 4, you will round down to the previous hundred.

In other words if the number at the tenth position is less than 5 then we will convert all the digits after the hundred to zeros

If that digit is 5, 6, 7, 8, or 9, you will round up to the next hundred.In other words if the number at the tenth position is greater than or equals to 5 then we will add one to the hundred and convert all digits after the hundred to zeros.

Now look at the given number which is: 22119

The number at the hundredth position is 1.

And the number at the tenth position is also 1.

Then according to the defined rule if the number at the tenth position is less than 5 then we will convert all the digits after the hundred to zeros.

So, for the given number (22119) we just convert all digits after the hundred to zeros

Therefore, 22119 to the nearest hundred is 22100...

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The relationship between the standard normal random variable z and normal random variable X is that :

alisha [4.7K]

Answer:

(B) The standard normal variable Z counts the number of standard deviations that the value of the normal random variable X is away from its mean

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

Positive z-score: Above the mean

Negative z-score: Below the mean

All variables are continuous.

X can be positive or negative, just like Z

So the correct answer is:

(B) The standard normal variable Z counts the number of standard deviations that the value of the normal random variable X is away from its mean

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3 years ago

Agent phelps and agent mabry reviewed and approved case files involving smuggling activities for several area offices. of the 19

KatRina [158]

The ratio of phelps to mabry is 3:2, meaning for every 5 records, phelps approved 3 and mabry 2. So:
190/5= 38
38 x 2=76 cases approved by mabry
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