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Ainat [17]
3 years ago
6

What duos e=mc² mean

Mathematics
2 answers:
babymother [125]3 years ago
6 0

Answer:

energy equals mass times the speed of light squared

Step-by-step explanation:

polet [3.4K]3 years ago
3 0
Energy equals mass times the speed of light squared

explanation : Albert Einstein was the one who made that!
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A hotel manager believes that 27% of the hotel rooms are booked. If the manager is correct, what is the probability that the pro
AlladinOne [14]

Answer:

The probability that the proportion of rooms booked in a sample of 423 rooms would differ from the population proportion by less than 6% is 0.9946.

Step-by-step explanation:

According to the Central limit theorem, if from an unknown population large samples of sizes n > 30, are selected and the sample proportion for each sample is computed then the sampling distribution of sample proportion follows a Normal distribution.

The mean of this sampling distribution of sample proportion is:

 \mu_{\hat p}=p

The standard deviation of this sampling distribution of sample proportion is:

 \sigma_{\hat p}=\sqrt{\frac{\hat p(1-\hat p)}{n}}

The information provided here is:

<em>p</em> = 0.27

<em>n</em> = 423

As <em>n </em>= 423 > 30, the sampling distribution of sample proportion can be approximated by the Normal distribution.

The mean and standard deviation of the sampling distribution of sample proportion are:

\mu_{\hat p}=p=0.27\\\\\sigma_{\hat p}=\sqrt{\frac{\hat p(1-\hat p)}{n}}=\sqrt{\frac{0.27\times(1-0.27)}{423}}=0.0216

Compute the probability that the proportion of rooms booked in a sample of 423 rooms would differ from the population proportion by less than 6% as follows:

P(|\hat p-p|

                           =P(0.27-0.06

*Use a <em>z</em>-table.

Thus, the probability that the proportion of rooms booked in a sample of 423 rooms would differ from the population proportion by less than 6% is 0.9946.

6 0
3 years ago
Verbal expression for 5^2
Mademuasel [1]

Answer:

5-a=2

Step-by-step explanation:

4 0
3 years ago
I'LL GIVE U BRAINLIEST AND 15 POINTS !!! PLS HELP.
stealth61 [152]

Hope it helps you!.....

5 0
3 years ago
Matt earned 28,500 last year. Paid 8,265 for rent. What percent did he pay for the rent
algol [13]
29%

If you put the amount he paid for rent (8,265) over the amount he earned (28,500), then you will get a decimal number.
8,265/28,500=.29
You then take this decimal and multiply by 100 to get the percent.
.29*100=29%
3 0
3 years ago
Open the brackets.<br>help​
andriy [413]
1) 155.2
2) 0.4x - 0.2
3) 3.9b - 13 all iknow lol
7 0
3 years ago
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