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OleMash [197]
2 years ago
13

A new Firestone tire is guaranteed to last for 40,000 miles. The actual mean life of the tires is 47,000 miles with a standard d

eviation of 4,000 miles.
a) What percent of the tires will last for at least 40,000 miles?
b) What percent of the tires will not last for at least 40,000 miles?
c) What is the probability that a tire will last for more than 50,000 miles?
d) The Firestone Company wants to advertise how long some of their tires last. They decide to state how long the top 3% of their tires will last. How many miles will the top 3% of their tires last?

Mathematics
1 answer:
Rus_ich [418]2 years ago
3 0

Answer:

a) 95.99%

b) 4.01%

c) 00.62%

Step-by-step explanation:

Explanation is given in the attachments.

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Step-by-step explanation:

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7 0
3 years ago
The voltage in a circuit is the product of two factors, the resistance and the current. If the voltage is 6ir + 15i + 8r+20, fin
andreev551 [17]

Answer:

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Step-by-step explanation:

The factors of the given expression are ...

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Which factor is current and which is resistance is not clear. Usually, resistance is referred to using the variable r, so we suppose the expressions are supposed to be ...

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3 years ago
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Aneli [31]

Answer:

\frac{0.93}{0.57}

Step-by-step explanation:

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5 0
2 years ago
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trapecia [35]

duh obviously the answer is idk, and let me tell you why

Step-by-step explanation:

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hope i was helpful

5 0
3 years ago
Simplify. 3(2x + 4y - 2z) + 7(x + y - 4z) A) 13x + 5y - 22z B) -x - 19y + 22z C) 13x + 19y - 34z D) -x - 5y + 34z
RUDIKE [14]
The answer to this equation is C.
6 0
2 years ago
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