Answer:
The answer is F) none of the above. The correct sales tax is $902.72
Step-by-step explanation:
Answer:
The company should guarantee a lifetime of less than equal to 20.95 years so that less than 3% of the television sets fail while under warranty.
Step-by-step explanation:
We are given the following information in the question:
Mean, μ = 36 years
Standard Deviation, σ = 8 years
We are given that the distribution of life of television sets is a bell shaped distribution that is a normal distribution.
Formula:

We have to find the value of x such that the probability is 0.03.
Calculation the value from standard normal z table, we have,
Thus, the company should guarantee a lifetime of less than or equal to 20.95 years so that less than 3% of the television sets fail while under warranty.
Do you mean millions? If so, please write 4,110,000, which is in terms of millions and is in standard form. Otherwise, ensure that you have copied down this problem correctly.
You could buy the Magnet and the Postcard and get 19 cents!