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A scientist has come up a new fertilizer for roses. She feels that with the use of this fertilizers, the average blooming time span for

A scientist has come up a new fertilizer for roses. She feels that with the use of this fertilizers, the average blooming time span for a rose will be at least 55 days? You don't agree with the scientist. Which of the following would be the alternative hypothesis to test your belief?

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Ha: 55

Ha: 55

Ha: < 55

Ha: > 55

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