5. A local flower shop sells a dozen roses for
$12.85. Based on this information, which of
the following could be true?
6.
ban
bor
2 ye
to k
A. $38.55 for four dozen roses
B. $64.25 for five dozen roses
C. $25.70 for 18 roses
D. $32.13 for two dozen roses

Anew test for ra is being developed. the test is administered to 750 patients with ra and 750 without ra. for the sake of the question, assume the prevalence of ra in this population is 50%. of the 750 patients with ra, 575 have a positive result. of the 750 patients without ra, 150 have a positive result. what is the positive predictive value of the new test? a575/(575+150) b. 600/(600+ 150) c. 575/(575+125) d. 600/(600+ 125)

Margie is practicing for an upcoming tennis tournament. her first serve is good 20 out of 30 times on average. margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. how could she design a simulation for this scenario?

Ahyperbola centered at the origin has a vertex at (-6,0) and a focus at (10,0)