A sample of 900 children were asked about their favorite type of ice-cream. The data have been summarized in the following table. Туре of ice- Milk Vanilla ice- Chocolate ice- cream cream ice- cream cream frequency 315 290 295 Test the hypothesis that all the types of ice-cream are equally likely at 0.05 level of significance. Attach File Browse My Computer

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A: H0 : p =1/4 = 0.25 H1 : p <0.25

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A: Given information Total adults(n) = 1000 No of people feeling vulnerable(x) = 520

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A: Expected value (E) =Total frequency 5

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A:

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A:

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Q: In a survey by Bea et al., it was found that 218 of 1,062 urban residents had a history of allergic…

A: Formula of test statistic : z = p^1 -p^2p(1-p)1n1-1n2 Where , p^1 and  p^2 are sample proportion. n1…

Q: A research study concluded that self-employed individuals do not experience higher job satisfaction…

A: State the hypotheses. Correct option: Option 5

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A: # Given: no of favourable cases x=321    total no of cases n=1432  then to find sample proportion…

Q: rofessor Jennings claims that only 35% of the students at Flora College work while attending school.…

A: We are testing single proportion in this problem. (a) Level of significance: 0.05 Null and…

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A: Given: S.No x y 1 11 5 2 17 7 3 4 0 4 7 2 5 10 4 6 5 1 7 13 8 1.Null Hypothesis…

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Q: What is the value of the sample test statistic?

A: The pooled variance is, sp2=n1-1s12+n2-1s22n1+n2-2=30-149.52+30-150.9230+30-2=146,190.7458=2,520.53…

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A:

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Q: What can be concluded at the αα = 0.10 level of significance? For this study, we should use Select…

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Q: Is there sufficient evidence to conclude that there is a difference in the average wear? Use 0.05…

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Q: The Institute of Education Sciences measures the high school dropout rate as the percentage of 16-…

A: Here to check the fact first we set null and alternate hypothesis, then we find p-value of the test.…

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A: From the provided information, The treatment degree of freedom is 3 and residual degree of freedom…