The results of a trial involving an experimental vaccine for children are shown below. Vaccine treatment Placebo Developed flu Did not develop flu 70 95 392 451 a. State the relevant null and alternative hypotheses. b. Conduct the appropriate test and state a conclusion. Use a significance level of 0.05. a. Determine the null and alternative hypotheses. Choose the correct answer below. OA. Ho: Treatment method and flu development have equal proportions. HA: Treatment method and flu development have non-equal proportions. OB. Ho: There is a relationship between treatment method and development of flu. HA: Treatment method is independent of flu development. OC. Ho: Treatment method and flu development have non-equal proportions. HA: Treatment method and flu development have equal proportions. OD. Ho: Treatment method is independent of flu development. HA: There is a relationship between treatment method and development of flu.

Essentials Of Investments
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ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
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Chapter1: Investments: Background And Issues
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The results of a trial involving an experimental vaccine for children are shown below.
Vaccine treatment
Placebo
Developed flu Did not develop flu
70
95
392
451
a. State the relevant null and alternative hypotheses.
b. Conduct the appropriate test and state a conclusion. Use a significance level of 0.05.
a. Determine the null and alternative hypotheses. Choose the correct answer below.
OA. Ho: Treatment method and flu development have equal proportions.
HA: Treatment method and flu development have non-equal proportions.
OB. Ho: There is a relationship between treatment method and development of flu.
HA: Treatment method is independent of flu development.
OC. Ho: Treatment method and flu development have non-equal proportions.
HA: Treatment method and flu development have equal proportions.
OD. Ho: Treatment method is independent of flu development.
HA: There is a relationship between treatment method and development of flu.
Transcribed Image Text:The results of a trial involving an experimental vaccine for children are shown below. Vaccine treatment Placebo Developed flu Did not develop flu 70 95 392 451 a. State the relevant null and alternative hypotheses. b. Conduct the appropriate test and state a conclusion. Use a significance level of 0.05. a. Determine the null and alternative hypotheses. Choose the correct answer below. OA. Ho: Treatment method and flu development have equal proportions. HA: Treatment method and flu development have non-equal proportions. OB. Ho: There is a relationship between treatment method and development of flu. HA: Treatment method is independent of flu development. OC. Ho: Treatment method and flu development have non-equal proportions. HA: Treatment method and flu development have equal proportions. OD. Ho: Treatment method is independent of flu development. HA: There is a relationship between treatment method and development of flu.
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