ID:20F20775

(Note: Draw the above problem in a graph sheet using black color pen and shade the optimal region. Upload the scanned image. Your c and d should be >0. If cand d in your ID is zero take another numbers from your ID) 4. a. The average height of women in Muscat was estimated as 65+ a inches. A sample of 23 women resulted a mean height of 63+ a inches and a sample variance of 25. Are women, on average shorter than 65 + a inches? Test this claim at 10% level of significance. (12 marks) b. Reflect with a brief note at least 5 points what you learned from the MOOC course "Business statistics and Analysis specialization (Course Era)" (10 marks) (Attach screenshots of your registration copy and your achievement in each level that how much you have completed as a proof)