Question

A highway department executive claims that the number of fatal accidents which occur in her state...

A highway department executive claims that the number of fatal accidents which occur in her state does not vary from month to month. The results of a study of 131 fatal accidents were recorded. Is there enough evidence to reject the highway department executive's claim about the distribution of fatal accidents between each month?

Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Fatal Accidents 8 7 13 18 13 7 10 14 8 7 18 8

Step 6: Find the value of the test statistic. Round your answer to three decimal places.

Question 7: Enter the critical value of the test statistic. Round your answer to 3 decimals.

Question 8: Enter the p-value. Round your answer to 3 decimals.

Question 9: At the 0.025 level of significance, determine whether to fail to reject or reject the null hypothesis.

A) Reject Null Hypothesis B) Fail to Reject Null Hypothesis
C) Accept the Alternative Hypothesis D) There is not enough information to make this decision.

Question 10: Choose the correct response at the 0.025 level of significance.

A) There is not significant evidence to reject the executive's claim. B) There is significant evidence to reject the executive's claim. C)There is not enough information to make this decision.

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
A highway department executive claims that the number of fatal accidents which occur in her state...
A highway department executive claims that the number of fatal accidents which occur in her state does not vary from month to month. The results of a study of 160 160 fatal accidents were recorded. Is there enough evidence to reject the highway department executive's claim about the distribution of fatal accidents between each month? Month   Fatal Accidents Jan   23 Feb   10 Mar   10 Apr   12 May   19 Jun   10 Jul   14 Aug   8 Sep   7 Oct   21 Nov   16...
A highway department executive claims that the number of fatal accidents which occur in her state...
A highway department executive claims that the number of fatal accidents which occur in her state does not vary from month to month. The results of a study of 158 fatal accidents were recorded. Is there enough evidence to reject the highway department executive's claim about the distribution of fatal accidents between each month? Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Fatal Accidents 17 10 12 19 9 10 10 12 12 18 17...
A number of minor automobile accidents occur at various high-risk intersections despite traffic lights. The traffic...
A number of minor automobile accidents occur at various high-risk intersections despite traffic lights. The traffic department claims that a modification in the type of light will reduce these accidents. The traffic commissioners have agreed to a proposed experiment. Eight intersections were chosen at random, and the lights at those intersections were modified. The numbers of minor accidents during a six-month period before and after the modifications were as follows: Number of Accidents A B C D E F G...
An advertising executive claims that there is a difference in the mean household income for credit...
An advertising executive claims that there is a difference in the mean household income for credit cardholders of Visa Gold and of MasterCard Gold. A random survey of 13 Visa Gold cardholders resulted in a mean household income of $68,600 with a standard deviation of $9200. A random survey of 8 MasterCard Gold cardholders resulted in a mean household income of $59,620 with a standard deviation of $10,900. Is there enough evidence to support the executive's claim? Let μ1 be...
An advertising executive claims that there is a difference in the mean household income for credit...
An advertising executive claims that there is a difference in the mean household income for credit cardholders of Visa Gold and of MasterCard Gold. A random survey of 18 Visa Gold cardholders resulted in a mean household income of $84,280 with a standard deviation of $10,400. A random survey of 11 MasterCard Gold cardholders resulted in a mean household income of $79,360 with a standard deviation of $9800. Is there enough evidence to support the executive's claim? Let μ1 be...
_____ 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...
A publisher reports that 65% 65 % of their readers own a laptop. A marketing executive...
A publisher reports that 65% 65 % of their readers own a laptop. A marketing executive wants to test the claim that the percentage is actually more than the reported percentage. A random sample of 160 160 found that 70% 70 % of the readers owned a laptop. Is there sufficient evidence at the 0.02 0.02 level to support the executive's claim? Step 1 of 7: State the null and alternative hypotheses. Step 2 of 7: Find the value of...
A publisher reports that 62% of their readers own a laptop. A marketing executive wants to...
A publisher reports that 62% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is actually more than the reported percentage. A random sample of 130 found that 70% of the readers owned a laptop. Is there sufficient evidence at the 0.02 level to support the executive's claim? Step 1 of 7: State the null and alternative hypotheses. Step 2 of 7: Find the value of the test statistic. Round your answer...
A publisher reports that 39% of their readers own a laptop. A marketing executive wants to...
A publisher reports that 39% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is actually more than the reported percentage. A random sample of 250 found that 48% of the readers owned a laptop. Is there sufficient evidence at the 0.02 level to support the executive's claim? Step 1 of 7: State the null and alternative hypotheses. Step 2 of 7: Find the value of the test statistic. Round your answer...
A publisher reports that 36% of their readers own a laptop. A marketing executive wants to...
A publisher reports that 36% of their readers own a laptop. A marketing executive wants to test the claim that the percentage is actually less than the reported percentage. A random sample of 320 found that 30% of the readers owned a laptop. Is there sufficient evidence at the 0.010 level to support the executive's claim? Step 1 of 7: State the null and alternative hypotheses. Step 2 of 7: Find the value of the test statistic. Round your answer...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT