178 students are both junior and prefer tiktok.
There are 1538 students total.
so probability tiktok and a junior is 178/1538 = 0.12
Nat M.
asked • 02/12/21What is the probability you pick a student in the school and they prefer to use Tik-Tok AND they are a Junior? (Write as a percent rounded to the nearest hundredth
tik tok Snapchat Total
Freshman 345 122 467
Sophomore 289 203 492
Junior 178 109 287
Senior 103 189 292
Total 915 628 1538
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