In a group of 250 music lovers, 135 of them like folk songs and 150 like modern songs. By drawing a Venn-diagram, find:
(i) how many people like both the songs?
(ii) How many people like only one song?

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?

∆red ≅ ∆ by rule will give brainiest if possible

Which of the following three dimensional figures has a circle as it’s base