Question

You may need to use the appropriate appendix table to answer this question. Automobile repair costs...

You may need to use the appropriate appendix table to answer this question. Automobile repair costs continue to rise with the average cost now at $367 per repair.† Assume that the cost for an automobile repair is normally distributed with a standard deviation of $88. Answer the following questions about the cost of automobile repairs.

(a) What is the probability that the cost will be more than $470? (Round your answer to four decimal places.)

(b) What is the probability that the cost will be less than $290? (Round your answer to four decimal places.)

(c) What is the probability that the cost will be between $290 and $470? (Round your answer to four decimal places.)

(d) If the cost for your car repair is in the lower 5% of automobile repair charges, what is your maximum possible cost in dollars? (Round your answer to the nearest cent.) $

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
You may need to use the appropriate appendix table or technology to answer this question. Although...
You may need to use the appropriate appendix table or technology to answer this question. Although studies continue to show smoking leads to significant health problems, 20% of adults in a country smoke. Consider a group of 450 adults. (b)What is the probability that fewer than 80 smoke? Use the normal approximation of the binomial distribution to answer this question. (Round your answer to four decimal places.) (c)What is the probability that from 95 to 100 smoke? Use the normal...
You may need to use the appropriate appendix table to answer this question. Suppose that the...
You may need to use the appropriate appendix table to answer this question. Suppose that the mean daily viewing time of television is 8.35 hours. Use a normal probability distribution with a standard deviation of 2.5 hours to answer the following questions about daily television viewing per household (a) What is the probability that a household views television between 5 and 12 hours a day? (Round your answer to four decimal places.) (b) How many hours of television viewing must...
You may need to use the appropriate appendix table to answer this question. The time needed...
You may need to use the appropriate appendix table to answer this question. The time needed to complete a final examination in a particular college course is normally distributed with a mean of 80 minutes and a standard deviation of 10 minutes. Answer the following questions. (a)What is the probability of completing the exam in one hour or less? (Round your answer to four decimal places.) (b)What is the probability that a student will complete the exam in more than...
You may need to use the appropriate appendix table or technology to answer this question. A...
You may need to use the appropriate appendix table or technology to answer this question. A center for medical services reported that there were 295,000 appeals for hospitalization and other services. For this group, 40% of first-round appeals were successful. Suppose 10 first-round appeals have just been received by a Medicare appeals office. (Round your answers to four decimal places.) (a) Compute the probability that none of the appeals will be successful. (b) Compute the probability that exactly one of...
You may need to use the appropriate appendix table or technology to answer this question. A...
You may need to use the appropriate appendix table or technology to answer this question. A center for medical services reported that there were 295,000 appeals for hospitalization and other services. For this group, 55% of first-round appeals were successful. Suppose 10 first-round appeals have just been received by a Medicare appeals office. (Round your answers to four decimal places.) (a) Compute the probability that none of the appeals will be successful. (b) Compute the probability that exactly one of...
You may need to use the appropriate appendix table to answer this question. Alexa is the...
You may need to use the appropriate appendix table to answer this question. Alexa is the popular virtual assistant developed by Amazon. Alexa interacts with users using artificial intelligence and voice recognition. It can be used to perform daily tasks such as making to-do lists, reporting the news and weather, and interacting with other smart devices in the home. In 2018, the Amazon Alexa app was downloaded some 2,800 times per day from the Google Play store.† Assume that the...
You may need to use the appropriate appendix table or technology to answer this question. A...
You may need to use the appropriate appendix table or technology to answer this question. A population has a mean of 200 and a standard deviation of 50. Suppose a sample of size 100 is selected and x is used to estimate μ. (Round your answers to four decimal places.) (a) What is the probability that the sample mean will be within ±5 of the population mean? (b) What is the probability that the sample mean will be within ±10...
ou may need to use the appropriate appendix table or technology to answer this question. The...
ou may need to use the appropriate appendix table or technology to answer this question. The port of South Louisiana, located along 54 miles of the Mississippi River between New Orleans and Baton Rouge, is the largest bulk cargo port in the world. The U.S. Army Corps of Engineers reports that the port handles a mean of 4.5 million tons of cargo per week.† Assume that the number of tons of cargo handled per week is normally distributed with a...
You may need to use the appropriate appendix table or technology to answer this question. Consider...
You may need to use the appropriate appendix table or technology to answer this question. Consider the following hypothesis test. H0: μ ≥ 10 Ha: μ < 10 The sample size is 130 and the population standard deviation is assumed known with σ = 5.Use α = 0.05. (a) If the population mean is 9, what is the probability that the sample mean leads to the conclusion do not reject H0? (Round your answer to four decimal places.) (b) What...
You may need to use the appropriate appendix table or technology to answer this question. A...
You may need to use the appropriate appendix table or technology to answer this question. A newspaper reports that the average expenditure on Valentine's Day is $100.89. Do male and female consumers differ in the amounts they spend? The average expenditure in a sample survey of 40 male consumers was $138.67, and the average expenditure in a sample survey of 30 female consumers was $61.64. Based on past surveys, the standard deviation for male consumers is assumed to be $35,...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT