Suppose that the state said that 65% of all state residents are in favor of a...
Suppose that the state said that 65% of all state residents are in favor of a lottery. As an SRS of 100 people showed that 52 of those 100 surveyed are in favor of the lottery. Test the claim that the percent in favor of the lottery is less than 65%
What is the test statistic?
What is the p-value?
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Suppose that the state said that 65% of all state residents are
in favor of a...
The Arizona Department of Transportation (ADoT) is considering changing statewide speed limits from 65 mph to...
The Arizona Department of Transportation (ADoT) is considering changing statewide speed limits from 65 mph to 75 mph. They wish to perform analysis on ?, the proportion of Arizona residents that favor this change. In order to prove that a majority of residents favor the change, ADoT wishes to test the following hypotheses using a level of significance of 0.05. H0: ? = 0.5 H1:? > 0.5 ADoT wishes to design the test to have a power of 90% if...
The Arizona Department of Transportation (ADoT) is considering changing statewide speed limits from 65 mph to...
The Arizona Department of Transportation (ADoT) is considering changing statewide speed limits from 65 mph to 75 mph. They wish to perform analysis on ?, the proportion of Arizona residents that favor this change. In order to prove that a majority of residents favor the change, ADoT wishes to test the following hypotheses using a level of significance of 0.05. H0 : p = 0.5 H1 : p > 0.4 ADoT wishes to design the test to have a power...
The Arizona Department of Transportation (ADOT) is considering changing statewide speed limits from 65 mph to...
The Arizona Department of Transportation (ADOT) is considering changing statewide speed limits from 65 mph to 75 mph. They wish to perform analysis on p, the proportion of Arizona residents that favor this change. In order to prove that a majority of residents favor the change, ADOT wishes to test the following hypotheses using a level of significance of 0.05. Ho:p = 0.5 H:p > 0.5 ADOT wishes to design the test to have a power of 90% if the...
The Arizona Department of Transportation (ADOT) is considering changing statewide speed limits from 65 mph to...
The Arizona Department of Transportation (ADOT) is considering changing statewide speed limits from 65 mph to 75 mph. They wish to perform analysis on p, the proportion of Arizona residents that favor this change. In order to prove that a majority of residents favor the change, ADoT wishes to test the following hypotheses using a level of significance of 0.05. Ho:p = 0.5 H1: p > 0.5 ADOT wishes to design the test to have a power of 90% if...
A local politician claims that more than 65% of residents favor granting police additional powers to...
A local politician claims that more than 65% of residents favor granting police additional powers to tap phones. A sample of 560 residents resulted in 392 that favor giving police additional powers to tap phones. Conduct a hypothesis test using a 5% significance level to see if there is enough evidence to support the politician’s claim PLEASE I NEED COMPUTERIZED SOLUTION WHICH I CAN COPY EASILY
An article found that Massachusetts residents spent an average of $860.70 on the lottery in 2010, more than three times the U.S. average (www.businessweek.com, March 14, 2012). A researcher at a Boston think tank believes that Massachusetts residents spen
An article found that Massachusetts residents spent an average of $860.70 on the lottery in 2010, more than three times the U.S. average (www.businessweek.com, March 14, 2012). A researcher at a Boston think tank believes that Massachusetts residents spend less than this amount. He surveys 100 Massachusetts residents and asks them about their annual expenditures on the lottery. (You may find it useful to reference the appropriate table: z table or t table) Click here for the Excel Data File a. Specify the competing hypotheses to test...
Assume that adults were randomly selected for a poll. They were asked if they "favor or...
Assume that adults were randomly selected for a poll. They were asked if they "favor or oppose using federal tax dollars to fund medical research using stem cells obtained from human embryos." Of those polled, 483 were in favor, 404 were opposed, and 119 were unsure. A politician claims that people don't really understand the stem cell issue and their responses to such questions are random responses equivalent to a coin toss. Exclude the 119 subjects who said that they...
Historically, the percentage of residents of a certain country who support stricter gun control laws has...
Historically, the percentage of residents of a certain country who support stricter gun control laws has been 52%. A recent poll of 916 people showed 522 in favor of stricter gun control laws. Assume the poll was given to a random sample of people. Test the claim that the proportion of those favoring stricter gun control has changed. Perform a hypothesis test, using a significance level of 0.05. State the null and alternative hypotheses. H 0: The population proportion that...
Question 19 6 pts For Questions 19-22.consider the following: The mayor of a town has proposed...
Question 19 6 pts For Questions 19-22.consider the following: The mayor of a town has proposed a plan for the annexation of a new community. A political study took a sample of 1,600 voters in the town and found that 69% of the residents favored annexation. Using the data, a political strategist wants to test the daim that the percentage of residents who favor annexation is at least 65% What is the alternative hypothesis? Hap<0.65 O Hapa 065 O Haps...
The Arizona Department of Transportation (ADOT) is considering changing statewide speed limits from 65 mph to...
The Arizona Department of Transportation (ADOT) is considering changing statewide speed limits from 65 mph to 75 mph. They wish to perform analysis on p, the proportion of Arizona residents that favor this change. In order to prove that a majority of residents favor the change, ADOT wishes to test the following hypotheses using a level of significance of 0.05. Ho!p = 0.5 H,:p > 0.5 ADOT wishes to design the test to have a power of 90% if the...
The Arizona Department of Transportation (ADOT) is considering changing statewide speed limits from 65 mph to 75 mph. They wish to perform analysis on p, the proportion of Arizona residents that favor this change. In order to prove that a majority of residents favor the change, ADOT wishes to test the following hypotheses using a level of significance of 0.05. Ho:p = 0.5 H:p > 0.5 ADOT wishes to design the test to have a power of 90% if the...
The Arizona Department of Transportation (ADOT) is considering changing statewide speed limits from 65 mph to 75 mph. They wish to perform analysis on p, the proportion of Arizona residents that favor this change. In order to prove that a majority of residents favor the change, ADoT wishes to test the following hypotheses using a level of significance of 0.05. Ho:p = 0.5 H1: p > 0.5 ADOT wishes to design the test to have a power of 90% if...
Question 19 6 pts For Questions 19-22.consider the following: The mayor of a town has proposed a plan for the annexation of a new community. A political study took a sample of 1,600 voters in the town and found that 69% of the residents favored annexation. Using the data, a political strategist wants to test the daim that the percentage of residents who favor annexation is at least 65% What is the alternative hypothesis? Hap<0.65 O Hapa 065 O Haps...
The Arizona Department of Transportation (ADOT) is considering changing statewide speed limits from 65 mph to 75 mph. They wish to perform analysis on p, the proportion of Arizona residents that favor this change. In order to prove that a majority of residents favor the change, ADOT wishes to test the following hypotheses using a level of significance of 0.05. Ho!p = 0.5 H,:p > 0.5 ADOT wishes to design the test to have a power of 90% if the...
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