Question 9: The mean height of the 7 netball players on a court is 1.74m. If a 1 poi player is injured, who is 1.73m tall and replaced with a player 1.86m tall,
what is the new mean of the players on the court? (correct to 2 decimal
places)
Your answer
Question 10: A score was added to this set of

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

Solve the equation for x by graphing.2^x – 4 = -4^x + 4