Please help me again I have 2 tries again please and explain, please

Ineed with number 17 i don’t get it at alll

Rosa and lisa ade practicing free throws on the basketball court. so far, rosa has made one-and a-half times as many free throws as lisa. what is the unit ratio of rosa's free throws to lisa's free throws?

Say that a supplier claims they are 99% confident that their products will be in the interval of 50.02 to 50.38. you take samples and find that the 99% confidence interval of what they are sending is 50.00 to 50.36. what conclusion can be made? homework : 5vd. comparing sample confidence intervals with given intervals (links to an external site.)links to an external site. (3: 43) 5dc. confidence intervals in manufacturing, high vs low level of confidence, wide vs narrow (links to an external site.)links to an external site. (docx) the supplier is less accurate than they claimed the supplier products have a lower mean than claimed the supplier is more accurate than they claimed the supplier products have a higher mean than claimed