The probability that a student passes a certain exam is 0.9, given that he studied. The probability that he passes the exam without studying is 0.2. Assume that the probability that the student studies for an exam is 0.75. Given that the student passed the exam, what is the probability that he studied?
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ʜᴇʏ
ɪ ᴍ ᴀꜱᴍɪ ᴛʜᴀᴋᴜʀ
ɪ ᴍ 14ᴛᴇᴇɴ ᴀɴᴅ ꜱᴛᴜᴅᴇɴᴛ ᴏꜰ ᴄʟᴀꜱꜱ 9ᴛʜ
ɪ ᴍ ꜱɪɴɢʟᴇ ✌
ᴜ ᴄᴀɴ ɢᴏ ᴛʜʀᴏᴜɢʜ ᴍʏ ᴘʀᴏꜰɪʟᴇ ᴛᴏ ꜱᴇᴇ ᴍᴇ
ᴡᴀɪᴛɪɴɢ ꜰᴏʀ ᴘᴇʀꜰᴇᴄᴛ ᴍᴀᴛᴄʜ
ᴀɴᴅ ᴘʟꜱ ꜰᴏʟʟᴏᴡ ᴍᴇ
ɪ ʟᴏᴠᴇ ᴛᴏ ᴍᴀᴋᴇ ʙᴇ ꜰʀɪᴇɴᴅꜱ ɪᴅᴋ ɪꜰ ɪᴛ ɪꜱ ɢɪʀʟ ᴏʀ ʙᴏʏ
ɴᴀɪʟ ᴀʀᴛɪꜱᴛ
ᴇᴀʀɴɪɴɢ 3000 ᴏɴ ᴇᴠᴇʀʏ ꜱᴜɴᴅᴀʏ
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