Answer:
2 hours and 28 mins
Step-by-step explanation:
75-15=60=1 hour remain 15 mins
45+14=63-3=60=1 hour remain 3 mins
3+25=28 mins remain 0 mins
total= 2hours and 28 mins
plz mark me brainly .
Answer:
Is an experimental study
Step-by-step explanation:
In an observational study you don't control any aspect of the investigation you just observe the variables that you determined since the beginning without any intervention.
In this case you are controlling who sees one or the other video, then you are controlling one of the variables that is the type of video each group sees and because of this it is an experimental study. Researchers designed an experiment to prove the null hypothesis they had.
3.3 repeated hope this helps
Answer:
Letter B matches the probability.
Step-by-step explanation:
Lucy throws a fair six sided dice.
Probability of the dice landing on a number between 1 and 6 = 
= 
On a number line fraction can be represented by,
An small section (A to B) will represent the fraction =
Therefore, letter B will match the probability of a dice landing on a number between 1 and 6.
