To find the probability simply divide the number of blue marbles by the total:
SO, 3 / 7 = 0.42857
p = 0.429
Answer:
C. 60 blue marbles
Step-by-step explanation:
10 marbles are taken out of the bag.
6 marbles taken out are red.
So the other 4 marbles taken out are blue.
200 ÷ 4 = 50
and 50 is close to 60.
Let me know if this helps!
Answer:
b. Null: The population average VDAS score for early birds is the same as the population average VDAS score for night owls.
Alt: The population average VDAS scores are different for the two groups.
Step-by-step explanation:
Given
The above data
Required
Determine the null and alternate hypothesis
When looking out for the null hypothesis, only options with equality statements or equal sign should be selected as the null hypothesis.
i.e. statements like "equal to", "the same as", etc.
The alternate hypothesis will then contain inequalities or inequality statements
<em>From the list of options, only option (b) is correct.</em>
Answer:
11 marbles
Step-by-step explanation:
44 green marbles, which is 4 times the amount of blue marbles
44/4=11
