Question

According to the U.S. Federal Highway Administration, the mean number of miles driven annually is 12,200...

According to the U.S. Federal Highway Administration, the mean number of miles driven annually is 12,200 with a standard deviation of 3800 miles. A resident of the state of Montana believes the drivers in Montana drive more than the national average. She obtains a random sample of 35 drivers from a list of registered drivers in the state and finds the mean number of miles driven annually for these drivers to be 12,895.90. Is there sufficient evidence to show that residents of the state of Montana drive more than the national average?

What is the p-value for this hypothesis test?

What is the test statistic for this hypothesis test?

What is the critical value for this hypothesis test?

What is the decision for this hypothesis test?
Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

d.

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
D5: According to the US Federal Highway Administration, the mean number of miles driven annually is...
D5: According to the US Federal Highway Administration, the mean number of miles driven annually is 12,200. A state official claims that residents of her state drive more than the national average. A simple random sample of 37 drivers from this state are selected. The mean number of miles driven for this sample of 37 drivers is 12,861.7 and the sample standard deviation was 2,200 miles. Is this a hypothesis test for a mean or a proportion? How do you...
Based on information from the Federal Highway Administration web site, the average annual miles driven per...
Based on information from the Federal Highway Administration web site, the average annual miles driven per vehicle in the United States is 13.5 thousand miles. Assume σ ≈ 650 miles. Suppose that a random sample of 36 vehicles owned by residents of Chicago showed that the average mileage driven last year was 13.2 thousand miles. Would this indicate that the average miles driven per vehicle in Chicago is different from (higher or lower than) the national average? Use a 0.05...
A leasing firm claims that the mean number of miles driven annually, μ , in its...
A leasing firm claims that the mean number of miles driven annually, μ , in its leased cars is less than 13160 miles. A random sample of 19 cars leased from this firm had a mean of 12833 annual miles driven. It is known that the population standard deviation of the number of miles driven in cars from this firm is 1980 miles. Assume that the population is normally distributed. Is there support for the firm's claim at the 0.1...
A leasing firm claims that the mean number of miles driven annually, μ, in its leased...
A leasing firm claims that the mean number of miles driven annually, μ, in its leased cars is less than 12580 miles. A random sample of 50 cars leased from this firm had a mean of 12291 annual miles driven. It is known that the population standard deviation of the number of miles driven in cars from this firm is 1740 miles. Is there support for the firm's claim at the 0.01 level of significance? Perform a one-tailed test. Then...
I will be testing the population mean number of miles driven to work (one way) by...
I will be testing the population mean number of miles driven to work (one way) by my circle of friends and coworkers. I believe that in this sample group that the average miles driven from their homes to their offices is less than 15 miles. My data will be a survey of the 10 closest friends and coworkers. The 10 responses were as follows for the average miles driven from their homes to their employer/office: 12,10,18,25,5,8,15,4.5 & 10. I will...
The U.S. Department of Transportation, National Highway Traffic Safety Administration, reported that 77% of all fatally...
The U.S. Department of Transportation, National Highway Traffic Safety Administration, reported that 77% of all fatally injured automobile drivers were intoxicated. A random sample of 54 records of automobile driver fatalities in a certain county showed that 35 involved an intoxicated driver. Do these data indicate that the population proportion of driver fatalities related to alcohol is less than 77% in Kit Carson County? Use α = 0.05. (a) What is the level of significance? State the null and alternate...
The research director at the Nie Pójdzie Motor Club was interested whether the annual miles driven...
The research director at the Nie Pójdzie Motor Club was interested whether the annual miles driven by residents of Arkansas was greater than the 2019 average of 13,452 annual miles for a driver in the South Central region. A random sample of licensed Arkansan drivers was drawn, and a hypothesis test was performed using the .05 significance level. Some parts of the output are shown below. Please answer the following questions (a to g) using the output below. (3.5 pts.)...
_____ According to the National Highway and Traffic Safety Administration, the proportion of fatal traffic accidents...
_____ According to the National Highway and Traffic Safety Administration, the proportion of fatal traffic accidents in the U.S. in which the driver had a positive blood alcohol concentration (BAC) is 0.36. Suppose a random sample of 105 traffic fatalities in the state of Hawaii results in 41 that involved a positive BAC. Does the sample evidence suggest that Hawaii has a higher proportion of traffic fatalities involving a positive BAC than the general U.S.? Test at the 0.05 level...
The U.S. Department of Transportation, National Highway Traffic Safety Administration, reported that 77% of all fatally...
The U.S. Department of Transportation, National Highway Traffic Safety Administration, reported that 77% of all fatally injured automobile drivers were intoxicated. A random sample of 50 records of automobile driver fatalities in a certain county showed that 33 involved an intoxicated driver. Do these data indicate that the population proportion of driver fatalities related to alcohol is less than 77% in Kit Carson County? Use α = 0.10. a) what is the level of significance? State the null and alternate...
The mean income per person in the United States is $39,500, and the distribution of incomes...
The mean income per person in the United States is $39,500, and the distribution of incomes follows a normal distribution. A random sample of 16 residents of Wilmington, Delaware, had a mean of $45,500 with a standard deviation of $9,800. At the 0.010 level of significance, is that enough evidence to conclude that residents of Wilmington, Delaware, have more income than the national average? State the null hypothesis and the alternate hypothesis. State the decision rule for 0.010 significance level....
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT