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expeople1 [14]
3 years ago
12

S What is the value of PS in the triangle above? (A) 5/2 (B) 10 (C) 11 (D) 13

Mathematics
1 answer:
makkiz [27]3 years ago
7 0

Answer:

Step-by-step explanation:

C

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Fast-food restaurants spend quite a bit of time studying the amount of time cars spend in their drive-throughs. Certainly, the f
melisa1 [442]

Answer:

For the 99th percentile, we have X = 206 seconds.

Step-by-step explanation:

Problems of normally distributed samples can be 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 = 138.5, \sigma = 29

99th percentile:

Value of X when Z has a pvalue of 0.99. So we use Z = 2.325

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

2.325 = \frac{X - 138.5}{29}

X - 138.5 = 29*2.325

X = 205.92 = 206

For the 99th percentile, we have X = 206 seconds.

4 0
3 years ago
Solve for the base. Round to hundredths when necessary.<br> 190 is 120% of what number?
olga_2 [115]

Answer:

158.33

Step-by-step explanation:

4 0
2 years ago
Help pls i need help
love history [14]

Answer is Kyla


7 + |-5| = 7 + 5 = 12

5 0
3 years ago
Read 2 more answers
Please help ASAP!!!!!!!!!
Ray Of Light [21]
180-104=76

76x2=152

Answer is 152
8 0
3 years ago
your bank balance is $515.50 if you write a check to buy a watch your balance would be $496.11 how much does does the watch cost
inn [45]

Answer:

Step-by-step explanation:

$515.50

-496.11

_______

$19.39

Equation: 515.50-x=496.11

3 0
3 years ago
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