Before a new variety of frozen muffins is put on the market, it is subjected to extensive taste testing. people are asked to taste the new muffin and a competing brand and to say which they prefer. both muffinsare unidentified in this test. is this an experimental study, an observational study, or a sample survey?

An experimental study

Step-by-step explanation:

An experiment deliberately imposes some treatment on individuals in order to observe their responses.

An experimental studies formulates some conditions in order to make an inference. An observational study tries to gather information without disturbing the scene they are observing.

This is then an experiment because people are deliberately asked to taste two muffins and asked for their response.

answer: 414,377,008

step-by-step explanation:

just multiply it

3 4 7 12 19

+1 +3 +5 +6

i would guess 26 because this isnt a sequential pattern or its to short to know