Here the null hypothesis will be p0<=0.77
And alternative will be Happy: p>0.77 so right tail hypothesis
77% of car crashes occur within 2 miles of the motorists home. A researcher feels this...
At least 0.49 of car crashes occur within 2 miles of the motorists home. a) Express the null and alternative hypotheses in symbolic form for this claim. Ho: p= Ha: Use the following codes to enter the following symbols: ≥≥ enter >= ≤≤ enter <= ≠≠ enter != b) You decide to survey 100 adult Americans and find that 10 of car crashes occur within 2 miles of the motorists home. Find the test statistic. Round to two decimal places....
67% of people support legalizing gay marriage. A researcher feels this percentage has changed. Express the null and alternative hypotheses in symbolic form for this claim (enter as a percentage). HO: H: Use the following codes to enter the following symbols: > enter > < enter <= + enter !=
Claim: 77% of workers got their job through college. Express the null and alternative hypotheses in symbolic form for this claim (enter as a percentage). H0:pH0:p H1:pH1:p Use the following codes to enter the following symbols: ≥≥ enter >= ≤≤ enter <= ≠≠ enter !=
More than 26% of people support legalizing gay marriage. Express the null and alternative hypotheses in symbolic form for this claim (enter as a percentage). Hop H:P Use the following codes to enter the following symbols: > enter > < enter <= # enter !=
In a study of 11,000 car crashes, it was found that 5720 of them occurred within 5 miles of home. Use a .05 significance level to test the claim that more than 50% of car crashes occur within 5 miles of home. Fill in the requested information. Claim: ??0: ????: Test you’ll use on your calculator: Values for each required entry on calculator: p-value: Alpha: Decision: Reason for decision: Conclusion (complete sentence):
42% of Internet users pay bills online. Express the null and alternative hypotheses in symbolic form for this claim (enter as a percentage). H0:pH0:p H1:pH1:p Use the following codes to enter the following symbols: ≥≥ enter >= ≤≤ enter <= ≠≠ enter !=
13% of people mind if others smoke near a building entrance. A researcher thinks it has decreased. a) Express the null and alternative hypotheses in symbolic form for this claim. Ho: H: Use the following codes to enter the following symbols: > enter> < enter <= # enter ! b) You decide to survey 100 adult Americans and find that 74 of people mind if others smoke near a building entrance. Find the test statistic. Round to two decimal places....
47% of workers indicate that they are satisfied with their job. A researcher thinks it has decreased. a) Express the null and alternative hypotheses in symbolic form for this claim. When entering the decimal enter the zero before the decimal point. For example, if you have 35%, enter it as 0.35. Ho H: Use the following codes to enter the following symbols: > enter >= < enter <= enter != b) You decide to survey 100 adult Americans and find...
The mean weight of male aerobics instructors in a certain city is more than 173 lbs. Express the null and alternative hypotheses in symbolic form for this claim. Ho:μ H1 : Use the following codes to enter the following symbols: > enter > < enter <= # enter !=
The mean weight of male aerobics instructors in a certain city is at least 161 lbs. Express the null and alternative hypotheses in symbolic form for this claim. H0:μH0:μ Ha:μHa:μ Use the following codes to enter the following symbols: ≥≥ enter >= ≤≤ enter <= ≠≠ enter !=