Mary is running for mayor. She wants to know if she has a chance to win, so she collects a random sample of 40 citizens to see if they are going to vote for her of her opponent, Henry. Out of the 40 citizens who were asked, 24 said they were voting for Henry and the other 16 said they were voting for Mary.  Using this data test H0: p=.5 vs. Ha: p>.5, where p is the true proportion of people, who will vote for Mary in the population (i.e., the entire town)? Find the p-value of this test, and what is your conclusion if the test is performed at the a=.5 level?

Q: Joseph is statistics instructor. He is interested in seeing if his fall class or spring class tends…

A: B. 0.0174

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A: ANOVA test compares means of more than 2 populations.

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A: We have to find sample proportion.

Q: According to past reports 48% of employees own a car. In a random sample of 250 employees, how many…

A: Total no.of employees=250 The percentage of employees own a car=0.48

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A:

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A:

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Q: The city of Raleigh has 11,700 registered voters. There are two candidates for city council in an…

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Q: 31 of 48% is what?

A: 31 of 48%

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A: The total number of subjects is 200.

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Q: decimal places. a. Complete the table. District Observed Expected A B C D 34 7 17 23 Total 81 000…

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A: Solution

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Q: What is the mode for this data set

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A: given:   Sample size n = 500 Number of defective parts = x = 396