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A music app has a shuffle play function.
This means that songs are played in a random order without repeat.
a) Sue puts 10 songs on shuffle play.
One of them is her favourite song.
Write down the probability, as a fraction,
that her favourite song plays first.
Write the fraction in its simplest form.
(
1)
(1)
b) Ted puts songs A, B and C on shuffle play.
(i) How many possible orders of songs can there be?
(ii) List all the possible orders of songs A, B and C.
One has been done for you. ABC
Total marks: 3
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Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126 a. the attendance was never the same at both plays. b. the attendance was the same on day 5. the attendance was 231 at both plays on that day. c. the attendance was the same on day 13. the attendance was 295 at both plays on that day. d. the attendance was the same on days 5 and 13. the attendance at both plays on those days was 231 and 295 respectively.