Halen rents a trailer for $124 per day. The total cost C is a function of the number of days d he rents the trailer. What is the
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Answer:
a) The probability of falling in the warranty period is 11.6%.
b) The warranty period need to be 19771 km to ensure that no more than 5 per cent of tires fail in the warranty period.
Step-by-step explanation:
a) To fall within the warranty period, the tire has to fail before the 20,000 km.
To calculate the probability, we first calculate the z-value:
Then, the probability of falling in the warranty period is:
b) To calculate this we have to go on from a P(z<z₁)=0.05. This happens for z=-1.645.
This corresponds to a value X of:
The warranty period need to be 19771 km to ensure that no more than 5 per cent of tires fail in the warranty period.
Answer:
<h2> 45</h2>Step-by-step explanation:
So, if the common ratio is 5 the next term is always 5 times the previous term.
<h3>9·5 = 45</h3>