3. A Card is drawn from the deck and is not put back into the deck before another card is drawn.

4.A marble is picked out of a box then it is not put back
for the second pick.

5. A spinner is spun two times.

6. A card is drawn from the deck and then it is carefully
put back into the deck before the second card is
drawn.

Independent or dependent ?

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

Which compound inequality could be represented by the graph?