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frozen [14]
3 years ago
11

Round 9.17302 to the nearest thousandths tenths and nearest unit

Mathematics
1 answer:
statuscvo [17]3 years ago
4 0

Answer:

170000

Step-by-step explanation:

17000

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An article suggests that substrate concentration (mg/cm3) of influent to a reactor is normally distributed with μ = 0.50 and σ =
Delvig [45]

Answer:

0.1056 = 10.56% probability that the concentration exceeds 0.60

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.

In this problem, we have that:

\mu = 0.5, \sigma = 0.08

What is the probability that the concentration exceeds 0.60?

This is 1 subtracted by the pvalue of Z when X = 0.6. So

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

Z = \frac{0.6 - 0.5}{0.08}

Z = 1.25

Z = 1.25 has a pvalue of 0.8944

1 - 0.8944 = 0.1056

0.1056 = 10.56% probability that the concentration exceeds 0.60

6 0
3 years ago
True or false? Any matrix plus the identity matrix is the original matrix.
lapo4ka [179]
The answer is a true
5 0
3 years ago
Round 88.27 to the nearest one.
allsm [11]

Answer:

88

Step-by-step explanation:

Basically you look at the number after the decimal point and if it is below 5 it will turn to 88. If it is over 5 it will be a 89. For this you also ignore the 7. The 7 does not mean anything.

4 0
3 years ago
B. Write an expression for the price with tax of the dress shirt.
Leona [35]

Answer:

31.99 sorry if wrong

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Tasha is five less than twice as old as his brother Nathan together their ages add up to 25 how old is Tasha and his brother Nat
Zolol [24]
2x-5=25
Add 5 to both sides
2x-5+5=25+5
2x=30
Now, divide both sides to find x
2x/2=30/2
x=15
Nathan is 15 years old
To find Tasha's age, subtract 25 and 15
Therefore, Tasha is 10 years old
Hope I helped!
6 0
3 years ago
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