A study of sleep patterns randomly selected participants in the study to sleep in either a dark room or a room with light.

Which element of experiment design is known to be a part of this study?

A.

blinding

B.

replication

C.

randomization

Daniel has 20 quarts of water. How many 2 1/2 quarts containers can be he fill

All real numbers x more than 9 units from 0

Ali wants to buy a piano. The piano measures 19/4 ft long. She has a space 5ft long for the piano in her house. Does she have enough room? Show on a number line

There are 6 muffins in a pack. how many packs will be needed to feed 48 people if each person gets 2 muffins

Find the volume of the cone, using 3.14 for π Radius = 10 Height = 6

Luke rides his bike 20 miles in 4 hours. If he rides at a constant speed, select the answers here that are equivalent ratios to the speed he rides. A: 30 miles in 7hrs B: 25 miles in 6 hours C: 10 miles in 1 hr D. 15 miles in 3 hrs

The chess club is selling drinks during the tract and field event. The club purchases water, juice boxes, and pouches of lemonade for the event. They spent $138.52 on juices boxes and $75.00 on lemonade. The club purchased three cases of water.

How much is 18 tens + 13 tens

The sugar company will choose from two companies to transport its sugar to market. The first company charges 5197 to rent trucks plus an additional fee of 175.75 for each ton of sugar.

At the start of his diet, Kerrin weighed 14 stone 8 pounds. Three months later he weighed 13 stone 6 pounds. There are 14 pounds in a stone. Calculate the reduction in Kerrin's weight as a percentage of his initial weight, correct to 1 d. p.