Use of herbal therapy. According to the Journal of Advanced Nursing (January 2001), 45% of senior women (i.e., women over the age of 65) use herbal therapies to prevent or treat health problems. Also, senior women who use herbal therapies use an average of 2.5 herbal products in a year.
a. Give the null hypothesis for testing the first claim by the journal.
b. Give the null hypothesis for testing the second claim by the journal.
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