Question

A local police chief claims that 68% of all robbery-related arrests are never prosecuted. A sample...

A local police chief claims that 68% of all robbery-related arrests are never prosecuted. A sample of 700 arrests shows that 65% of the arrests were not prosecuted. Using this information, one officer wants to test the claim that the number of arrests that are never prosecuted is different from what the chief stated. Is there enough evidence at the 0.10 level to support the officer's claim?

Step 1 of 6:

State the null and alternative hypotheses.

Step 2 of 6:

Find the value of the test statistic. Round your answer to two decimal places.

Step 3 of 6:

Specify if the test is one-tailed or two-tailed.

Step 4 of 6:

Determine the decision rule for rejecting the null hypothesis, H0 if ___ ____ ___

Step 5 of 6:

Make the decision to reject or fail to reject the null hypothesis.

Step 6 of 6:

State the conclusion of the hypothesis test.

There is sufficient evidence to support the claim that the percentage of arrests that are never prosecuted is different from 68%.

There is not sufficient evidence to support the claim that the percentage of arrests that are never prosecuted is different from 68%.

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 local police chief claims that 40% of all robbery-related arrests are never prosecuted. A sample...
A local police chief claims that 40% of all robbery-related arrests are never prosecuted. A sample of 800 arrests shows that 37% of the arrests were not prosecuted. Using this information, one officer wants to test the claim that the number of arrests that are never prosecuted is different from what the chief stated. Is there enough evidence at the 0.01 level to support the officer's claim? Step 1 State the null and alternative hypotheses. Step 2 Find the value...
A local police chief claims that 46% 46 % of all robbery-related arrests are never prosecuted....
A local police chief claims that 46% 46 % of all robbery-related arrests are never prosecuted. A sample of 500 arrests shows that 43 % of the arrests were not prosecuted. Using this information, one officer wants to test the claim that the number of arrests that are never prosecuted is below what the chief stated. Is there enough evidence at the 0.05 level to support the officer's claim? Step 1 of 7: State the null and alternative hypotheses. Step...
A local police chief claims that 76% of all drug-related arrests are never prosecuted. A sample...
A local police chief claims that 76% of all drug-related arrests are never prosecuted. A sample of 700 arrests shows that 72% of the arrests were not prosecuted. Using this information, one officer wants to test the claim that the number of arrests that are never prosecuted is different from what the chief stated. Is there enough evidence at the 0.01level to support the officer's claim? Step 1 of 7 : State the null and alternative hypotheses. Step 2 of...
A local police chief claims that 31% of all drug-related arrests are never prosecuted. A sample...
A local police chief claims that 31% of all drug-related arrests are never prosecuted. A sample of 500 arrests shows that 27% of the arrests were not prosecuted. Using this information, one officer wants to test the claim that the number of arrests that are never prosecuted is under what the chief stated. Is there enough evidence at the 0.02 level to support the officer's claim? Step 1: Find the value of the test statistic. Round your answer to two...
A local police chief claims that 67% of all drug-related arrests are never prosecuted. A sample...
A local police chief claims that 67% of all drug-related arrests are never prosecuted. A sample of 600 arrests shows that 64% of the arrests were not prosecuted. Using this information, one officer wants to test the claim that the number of arrests that are never prosecuted is less than what the chief stated. Is there enough evidence at the 0.05 level to support the officer's claim? State the null and alternative hypotheses. Find the value of the test statistic....
60% of all robbery-related arrests are never prosecuted. A sample of 500 arrests shows that 56%...
60% of all robbery-related arrests are never prosecuted. A sample of 500 arrests shows that 56% of the arrests were not prosecuted. Using this information, one officer wants to test the claim that the number of arrests that are never prosecuted is different from what the chief stated. Is there enough evidence at the 0.05 level to support the officer's claim? Step 1 State the null and alternative hypotheses. Step 2 Find the value of the test statistic. Round your...
A local police chief claims that 61%61% of all drug-related arrests are never prosecuted. A sample...
A local police chief claims that 61%61% of all drug-related arrests are never prosecuted. A sample of 700700 arrests shows that 58%58% of the arrests were not prosecuted. Using this information, one officer wants to test the claim that the number of arrests that are never prosecuted is less than what the chief stated. Is there enough evidence at the 0.020.02 level to support the officer's claim? Step 1 of 7 :   State the null and alternative hypotheses. step 2...
A local police chief claims that about 33% of all drug related arrests are ever prosecuted....
A local police chief claims that about 33% of all drug related arrests are ever prosecuted. A sample of 900 arrests shows that 37% of the arrests were prosecuted. Is there sufficient evidence at the 0.05 level to refute the chief's claim? State the null and alternative hypotheses for the above scenario.
A publisher reports that 52% of their readers own a personal computer. A marketing executive wants...
A publisher reports that 52% of their readers own a personal computer. A marketing executive wants to test the claim that the percentage is actually more than the reported percentage. A random sample of 340 found that 60% of the readers owned a personal computer. Is there sufficient evidence at the 0.05 level to support the executive's claim? Step 1 of 6: State the null and alternative hypotheses. Step 2 of 6: Find the value of the test statistic. Round...
A publisher reports that 48% of their readers own a personal computer. A marketing executive wants...
A publisher reports that 48% of their readers own a personal computer. A marketing executive wants to test the claim that the percentage is actually under the reported percentage. A random sample of 400 found that 45% of the readers owned a personal computer. Is there sufficient evidence at the 0.05 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