You need a 65% alcohol solution. On hand, you have a 105 mL of a 15% alcohol mixture. You also have 80% alcohol mixture. How much of the 80% mixture will you need to add to obtain the desired solution? You will need mL of the 80% solution

Q: You need a 45% alcohol solution. On hand, you have a 60 mL of a 40% alcohol mixture. You also have…

A:

Q: You need a 60% alcohol solution. On hand, you have a 320 mL of a 40% alcohol mixture. How much pure…

A: Use the concept of percentage and solve the problem.

Q: You need a 50% alcohol solution. On hand, you have a 500 mL of a 95% alcohol mixture. How much pure…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.