Which question is statistical?
A) How many oranges are in the refrigerator?
B) How many students passed the math test in our class?
C) How many people wore purple shoes to the party?
D) How many trees did each of the five cities plant for Arbor Day?

B

Step-by-step explanation:

I belive that B is correct because you use statistic you verify how many students had passed the said math test.

you use statistic to say this persentage passed while the rest of the remaining students didt pass.

Hope this answers your question correctly.

a) one student is chosen from classroom a, then a student is chosen from classroom b.  

step-by-step explanation:

independent events are ones in which the probability of one event does not affect the probability of the second event.

one student is chosen from classroom a; this does not affect the chances of choosing a student from classroom b.   this makes these independent events.

when one card is chosen from a standard deck and then set aside before a second card is chosen, the probability of the second card being chosen changes.   this makes them dependent events.

when one student is chosen from classroom a and then a second student is chosen from classroom a, the probability of choosing the second student changes.   this makes them dependent events.

when a letter is chosen from the alphabet and then a second letter is chosen, the probability of choosing the second letter changes.   this makes them dependent events.

$25

step-by-step explanation:

25 - 4.50 = 20.5

20.5 / 2 = 10.25

10.25 + 10 = 20.25

20.25 - 12.50 = 7.75

therefore the answer is $25 as shown as the first number.