Italian Tours offers a daily sightseeing trip around Florence. The list below gives the number of people who made the trip for a selection of 9 summer days. 23, 36, 19, 29, 30, 19, 34, 23, 27
Find the range of the data set.

Suppose i pick a jelly bean at random from a box containing one red and eleven blue ones. i record the color and put the jelly bean back in the box. if i do this three times, what is the probability of getting a blue jelly bean each time? (round your answer to three decimal places.)

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)

The triangles are similar. what is the value of x? enter your answer in the box.