Physics, 12.02.2021 23:30 latezwardjr15

A random sample should be taken from: O A. people who will respond positively.
B. an entire population.
O c. groups of people.
O D. a convenience sample.

Answers: 3

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 06:10, crystalryan3797

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.

Answers: 3

continue

Physics, 22.06.2019 12:00, volocibel

The mass of a bowling ball is 10 kg and the mass of a ping pong ball is 0.015 kg. if the two objects are 5 meters apart, what is the gravitational force ?

Answers: 1

continue

Physics, 22.06.2019 13:50, heatherlemaster

The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?

Answers: 2

continue

Physics, 22.06.2019 23:30, Nickanderson21

You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?

Answers: 2

continue

You know the right answer?

A random sample should be taken from: O A. people who will respond positively.
B. an entire p...