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Whitepunk [10]
3 years ago
7

What percent of 51 is 12?

Mathematics
1 answer:
Charra [1.4K]3 years ago
6 0
12/51 x 100 = 23.53%

Answer: 23.53%
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What are the properties of matrix? ​
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I believe it is inverse
8 0
3 years ago
Help me with this please
Mashcka [7]
Answer-146

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7 0
2 years ago
The lengths of pregnancies are normally distributed with a mean of days and a standard deviation of days. a. Find the probabilit
Alik [6]

Answer:

a) The probability of a pregnancy lasting X days or longer is given by 1 subtracted by the p-value of Z = \frac{X - \mu}{\sigma}, in which \mu is the mean and \sigma is the standard deviation.

b) We have to find X when Z has a p-value of \frac{a}{100}, and X is given by: X = \mu - Z\sigma, in which \mu is the mean and \sigma is the standard deviation.

Step-by-step explanation:

Normal Probability Distribution

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score 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 p-value, we get the probability that the value of the measure is greater than X.

In this question:

Mean \mu, standard deviation \sigma

a. Find the probability of a pregnancy lasting X days or longer.

The probability of a pregnancy lasting X days or longer is given by 1 subtracted by the p-value of Z = \frac{X - \mu}{\sigma}, in which \mu is the mean and \sigma is the standard deviation.

b. If the length of pregnancy is in the lowest a​%, then the baby is premature. Find the length that separates premature babies from those who are not premature.

We have to find X when Z has a p-value of \frac{a}{100}, and X is given by: X = \mu - Z\sigma, in which \mu is the mean and \sigma is the standard deviation.

8 0
3 years ago
Fastest answer gets brainiest !
saveliy_v [14]

Answer:

  • A. 1/16

Step-by-step explanation:

<u>The most repeated value is:</u>

  • (1/4)/4 = 1/16

There are 4 of them.

Correct choice is A

3 0
3 years ago
Harry ate 5/8 of a sandwich
11111nata11111 [884]
Well do you know a common factor between 8, 5, and 12, if so it is super simple to find your answer. :)
4 0
3 years ago
Read 2 more answers
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