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WITCHER [35]
2 years ago
15

The quotient of 2 numbers, p and q.

Mathematics
1 answer:
BabaBlast [244]2 years ago
3 0

Answer:

p/q = x

Step-by-step explanation:

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When Aria commutes to work, the amount of time it takes her to arrive is normally distributed with a mean of 28 minutes and a st
MrRa [10]

Answer:

Her commute would be between 32 and 35 minutes 33 times.

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 = 28, \sigma = 4.5

Proportion of days in which the commute is between 32 and 35 minutes:

This is the pvalue of Z when X = 35 subtracted by the pvalue of Z when X = 32.

X = 35

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

Z = \frac{35 - 28}{4.5}

Z = 1.555

Z = 1.555 has a pvalue of 0.94.

X = 32

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

Z = \frac{32 - 28}{4.5}

Z = 0.89

Z = 0.89 has a pvalue of 0.8133.

0.94 - 0.8133 = 0.1267

Out of 262 days:

Each day, 0.1267 probability

0.1267*262 = 33

Her commute would be between 32 and 35 minutes 33 times.

6 0
3 years ago
SOLVE PLEASEEE :)<br><br><br> X/4 <img src="https://tex.z-dn.net/?f=%5Cgeq" id="TexFormula1" title="\geq" alt="\geq" align="absm
STALIN [3.7K]

Answer:

-32

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Tamara borrowed $6,000 at 6% and ended up paying $900 in simple interest.For how long was the loan?
Elden [556K]

Answer:

For how long was the loan? For 6 1/2month

Step-by-step explanation:

Loan % int.anual % int.peri. Interest Loan+interest M.Payme N

6000 6%             0,0089  53,531 6053,53          900 6 1/2month.

3 0
3 years ago
Find the value of x. 55
Katena32 [7]

Answer:

90 - 55 = 35

its 35

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
That up there please heeeeelp
Tomtit [17]

Answer:

A(2)

Step-by-step explanation:

3 0
3 years ago
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