2. Toastmasters International cites a report by Gallup Poll that 40% of Americans fear public speaking. A student believes that less than 40% of students at her school fear public speaking. She randomly surveys 361 schoolmates and finds that 137 report they fear public speaking. Conduct a hypothesis test at the 5% level to determine if the percent at her school is less than 40%. a. State the distribution to use for the test. (Round your answers to four decimal places.) P'-N(.40, )

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2. Toastmasters International cites a report by Gallup Poll that 40% of Americans fear public
speaking. A student believes that less than 40% of students at her school fear public speaking.
She randomly surveys 361 schoolmates and finds that 137 report they fear public speaking.
Conduct a hypothesis test at the 5% level to determine
the percent at her school is less than
40%.
a. State the distribution to use for the test. (Round your answers to four decimal places.)
P'-N(.40, )
Transcribed Image Text:2. Toastmasters International cites a report by Gallup Poll that 40% of Americans fear public speaking. A student believes that less than 40% of students at her school fear public speaking. She randomly surveys 361 schoolmates and finds that 137 report they fear public speaking. Conduct a hypothesis test at the 5% level to determine the percent at her school is less than 40%. a. State the distribution to use for the test. (Round your answers to four decimal places.) P'-N(.40, )
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