4. Before the national elections, 75% of the voters in a certain town said that they preferred older senatorial candidates running for senatorial positions than younger candidates. After a certain survey was conducted, 910 out of 1,300 randomly selected voters preferred older senatorial candidates. Does this claim indicate that voters in that town have a greater interest in older candidates than in younger ones? Use a = 0.05. Ho: p = 0.75 Ha:p>0.75 5. A researcher claimed that 55% of elementary students in Alaminos City Division would rather play than read books during break time. Another researcher was assigned to verify the claim. He randomly selected 300 students. Two hundred seventy-four (274) of them said they would rather play during break time than read books. At 0.10 level, is there enough evidence to

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 13CYU
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On the first blank before each number, draw a happy face if the pair 
of hypotheses is correct and a sad face if the pair is incorrect. If incorrect, write the 
correct ALTERNATIVE hypothesis in symbols on the second blank.

please answer 4 and 5 sub-units thank you!

4. Before the national elections, 75% of the voters in a certain
town said that they preferred older senatorial candidates running for senatorial
positions than younger candidates. After a certain survey was conducted, 910 out
of 1,300 randomly selected voters preferred older senatorial candidates. Does this
claim indicate that voters in that town have a greater interest in older candidates
than in younger ones? Use a = 0.05.
H。 : p = 0.75
Ha : p > 0.75
5. A researcher claimed that 55% of elementary students in
Alaminos City Division would rather play than read books during break time.
Another researcher was assigned to verify the claim. He randomly selected 300
students. Two hundred seventy-four (274) of them said they would rather play
during break time than read books. At 0.10 level, is there enough evidence to
conclude that the percentage of elementary students who would rather play than
read books has changed to 55%?
Ho: p = 0.55
Ha: p<0.55
Transcribed Image Text:4. Before the national elections, 75% of the voters in a certain town said that they preferred older senatorial candidates running for senatorial positions than younger candidates. After a certain survey was conducted, 910 out of 1,300 randomly selected voters preferred older senatorial candidates. Does this claim indicate that voters in that town have a greater interest in older candidates than in younger ones? Use a = 0.05. H。 : p = 0.75 Ha : p > 0.75 5. A researcher claimed that 55% of elementary students in Alaminos City Division would rather play than read books during break time. Another researcher was assigned to verify the claim. He randomly selected 300 students. Two hundred seventy-four (274) of them said they would rather play during break time than read books. At 0.10 level, is there enough evidence to conclude that the percentage of elementary students who would rather play than read books has changed to 55%? Ho: p = 0.55 Ha: p<0.55
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