Answer the question in the screenshot below. Please show your work including calculator calculations. Thank you!

A density curve looks like an inverted letter "'J". The rst segment goes from the point [I]. I16] to the point [9.5. 1.4-]. The second segment goes from {I15 1.4-] to [1, 0.6]. a] Sketch this density curve. b} Is this a valid density curve? Support your answer with mathematical justication. c} What percent of the observations Iie between [L25 and 0.?5? Show work