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hoa [83]
2 years ago
12

Help anyone know this??

Mathematics
1 answer:
djverab [1.8K]2 years ago
3 0

Answer:

plug n and r into the equation for the answers.

Step-by-step explanation:

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It has a time to failure distribution which is normal with a mean of 35,000 vehicle miles and a standard deviation of 7,000 vehi
Triss [41]

Answer:

The designed life should be of 21,840 vehicle miles.

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}

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 p-value, we get the probability that the value of the measure is greater than X.

Mean of 35,000 vehicle miles and a standard deviation of 7,000 vehicle miles.

This means that \mu = 35000, \sigma = 7000

Find its designed life if a .97 reliability is desired.

The designed life should be the 100 - 97 = 3rd percentile(we want only 3% of the vehicles to fail within this time), which is X when Z has a p-value of 0.03, so X when Z = -1.88.

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

-1.88 = \frac{X - 35000}{7000}

X - 35000 = -1.88*7000

X = 21840

The designed life should be of 21,840 vehicle miles.

3 0
2 years ago
Name the number that is
tiny-mole [99]

Answer:

y is 8 if you count towards the right side of the screen you will figure out that y is 8 followed by 9 leading you to 10, therefore x is 11.

I hope this helps

6 0
3 years ago
Can someone help due in 5 minutes
sergiy2304 [10]

Answer:

there's no legal definition of a meteorologist

Step-by-step explanation:

so technically anyone can call themselves one and get away with it

3 0
3 years ago
Help!!!!!!!!!!!!!!!!!
user100 [1]

Answer:

the answer is one hundred and eight 108

Step-by-step explanation:

108 bro trust me

3 0
3 years ago
HELP ASAP!!!!
nydimaria [60]

The following is true:

H(x) has a constant output of -2.50

G(x) is greater than -2.50 for x values less than -1

The input value for which g(x)=h(x) is between -1 and 0

So

1, 3, and 5 is true

Or

A, C, E is true

3 0
3 years ago
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