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nadezda [96]
3 years ago
11

Wich numbers are rational (r) or irrational (i)? 68,18/42,70.2329,91.154389,5.

Mathematics
2 answers:
Dahasolnce [82]3 years ago
6 0
5 it is...
....
...
..
...
skelet666 [1.2K]3 years ago
3 0
68 is rational
18/42 is rational
70.2.29 is rational
91.154389 is rational
5 is 

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UkoKoshka [18]

Answer: B

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3 years ago
The weights of a certain brand of candies are normally distributed with a mean weight of 0.8544 g and a standard deviation of 0.
aleksandr82 [10.1K]

Answer:

The probability is 0.508 = 50.8%.

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}

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Normally distributed with a mean weight of 0.8544 g and a standard deviation of 0.0525 g.

This means that \mu = 0.8544, \sigma = 0.0525

If 1 candy is randomly​ selected, find the probability that it weighs more than 0.8535 g.

This is 1 subtracted by the pvalue of Z when X = 0.8535. So

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

Z = \frac{0.8535 - 0.8544}{0.0525}

Z = -0.02

Z = -0.02 has a pvalue of 0.492

1 - 0.492 = 0.508

The probability is 0.508 = 50.8%.

8 0
3 years ago
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victus00 [196]
It’s none because 8 doesn’t have a symmetry point
8 0
3 years ago
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