estion Completion Status: Support ? QUESTION 1 1 points Save A For each question, determine the null and alternative hypothesis in symbols and in words A) Facebook claims its' users have an average of 49 photos of themselves on their profile. A social media researcher thinks that this number is too low B) Presently the mean life expectency of a rare strain of bacteria is 12 hours. A scientist claims she has developed a medium that will increase the mean life of the bacteria For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph Arial 10pt A V TX