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adoni [48]
2 years ago
9

X = 8,1,3,3,5

Mathematics
1 answer:
Ghella [55]2 years ago
6 0

Answer:

2.600 = Exact

2.6 = Base Form

Step-by-step explanation:

?

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Your company manufactures hot water heaters. The life spans of your product are known to be normally distributed with a mean of
Oksana_A [137]

Answer:

You should claim 10.5325 years on your warranty.

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 = 13, \sigma = 1.5

Want's to replace no more than 5% of the products.

This means that the warranty should be 5th percentile, that is, the value of X when Z has a pvalue of 0.05. So X when Z = -1.645.

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

-1.645 = \frac{X - 13}{1.5}

X - 13 = -1.645*1.5

X = 10.5325

You should claim 10.5325 years on your warranty.

6 0
3 years ago
I need help on this one.number
bonufazy [111]
6 inches x 8 inches = 48 inches

48 inches x 1.5 feet = 72 feet

72 feet x $9.75 = $702 <-- Total

Answer $720
8 0
3 years ago
The two triangles are similar.<br><br> What is the value of x?
denpristay [2]
[8/(2x-2)=(8+6)/(3x)
 8/(2x-2)=14/(3x)
 14(2x-2)=8(3x)
 28x-28=24x
x=7
So by using the similarity of the sides, we can make ratios that can give is the value of x.<span />
3 0
3 years ago
does anyone know how to do this. im dumb and need help please i will put 30points if someone actually helps
Oksana_A [137]

Answer:

1 =98

2 = 49

3 = 63

Step-by-step explanation:

Assuming 1 is at the center since it has the dot

<1 = arc 98

<1 = 98

We can find angle 2

<2 = 1/2 the intercepted arc

<2 = 1/2 (98)

<2 = 49

We can find angle 3

Angle formed by 2 chords

<3 = 1/2(arc 70 + arc56)

<3 = 1/2(70+56)

<3 =1/2 (126)

<3 = 63

3 0
3 years ago
The Silvertons are looking at purchasing a new car for their family. Steve Silverton wants to purchase a 2019 Chevrolet Tahoe wh
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2 years ago
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